{
  "id": "IA-0512",
  "version": "0.1",
  "date": "2026-11-02",
  "moteur": "0.3.1",
  "designation": "65 ans et plus en France, usage personnel, 1 an",
  "titre_court": "65 ans et plus",
  "description": "L'usage personnel de l'IA des 14,4 millions de personnes de 65 à 89 ans en France sur un an : 6 % des 65 à 74 ans et 3 % des 75 à 89 ans s'en servent. Effectifs de l'Insee au 1er janvier 2026, parts d'utilisateurs d'Eurostat pour 2025.",
  "categorie": {
    "code": "monde",
    "nom": "Territoires"
  },
  "etage": {
    "code": "monde",
    "numero": "5",
    "nom": "Territoires"
  },
  "famille": {
    "code": "populations",
    "nom": "Populations"
  },
  "unite": "1 population · an",
  "grandeur": "electricite",
  "type": "recette",
  "statut": "estimé",
  "repose_sur": {
    "releves": 0,
    "conventions": 0,
    "hypotheses": 1
  },
  "valeur": {
    "electricite": {
      "valeur": 598116000,
      "basse": 560133000,
      "haute": 719868000,
      "unite": "Wh",
      "fourchette": "propagee",
      "publie": false
    },
    "co2e": {
      "valeur": 274110000,
      "basse": 256703000,
      "haute": 329908000,
      "unite": "gCO2e",
      "publie": false,
      "lieu": "monde",
      "gCO2e_par_kWh": 458.29
    },
    "facteur": null,
    "recomposition_Wh": 598116000
  },
  "lieux": {
    "monde": {
      "libelle": "Dans le monde",
      "gCO2e_par_kWh": 458.29,
      "co2e_gCO2e": 274110000
    },
    "france": {
      "libelle": "En France",
      "gCO2e_par_kWh": 41.44,
      "co2e_gCO2e": 24785900
    },
    "ue": {
      "libelle": "Dans l'Union européenne",
      "gCO2e_par_kWh": 209.9,
      "co2e_gCO2e": 125544000
    },
    "etats-unis": {
      "libelle": "Aux États-Unis",
      "gCO2e_par_kWh": 384.4,
      "co2e_gCO2e": 229916000
    },
    "allemagne": {
      "libelle": "En Allemagne",
      "gCO2e_par_kWh": 329.65,
      "co2e_gCO2e": 197169000
    },
    "irlande": {
      "libelle": "En Irlande",
      "gCO2e_par_kWh": 256.54,
      "co2e_gCO2e": 153441000
    },
    "pays-bas": {
      "libelle": "Aux Pays-Bas",
      "gCO2e_par_kWh": 253.56,
      "co2e_gCO2e": 151658000
    },
    "pologne": {
      "libelle": "En Pologne",
      "gCO2e_par_kWh": 588.6,
      "co2e_gCO2e": 352051000
    },
    "suede": {
      "libelle": "En Suède",
      "gCO2e_par_kWh": 35.26,
      "co2e_gCO2e": 21089600
    },
    "norvege": {
      "libelle": "En Norvège",
      "gCO2e_par_kWh": 28.11,
      "co2e_gCO2e": 16813000
    },
    "suisse": {
      "libelle": "En Suisse",
      "gCO2e_par_kWh": 39.22,
      "co2e_gCO2e": 23458100
    },
    "finlande": {
      "libelle": "En Finlande",
      "gCO2e_par_kWh": 57.47,
      "co2e_gCO2e": 34373700
    }
  },
  "parametres": [],
  "reglages": [
    {
      "dimension": "adoption",
      "actuel": "courant",
      "valeurs": [
        {
          "cle": "sobre",
          "libelle": "Usage sobre",
          "defaut": false,
          "electricite_Wh": 101865000,
          "co2e_gCO2e": 46683900
        },
        {
          "cle": "courant",
          "libelle": "Usage courant",
          "defaut": true,
          "electricite_Wh": 598116000,
          "co2e_gCO2e": 274110000
        },
        {
          "cle": "intensif",
          "libelle": "Usage intensif",
          "defaut": false,
          "electricite_Wh": 2944760000,
          "co2e_gCO2e": 1349550000
        }
      ]
    },
    {
      "dimension": "outillage",
      "actuel": "assistant",
      "valeurs": [
        {
          "cle": "assistant",
          "libelle": "Assistant conversationnel",
          "defaut": true,
          "electricite_Wh": 598116000,
          "co2e_gCO2e": 274110000
        },
        {
          "cle": "suite",
          "libelle": "IA dans la suite bureautique",
          "defaut": false,
          "electricite_Wh": 598116000,
          "co2e_gCO2e": 274110000
        },
        {
          "cle": "agent",
          "libelle": "Agents",
          "defaut": false,
          "electricite_Wh": 2362220000,
          "co2e_gCO2e": 1082580000
        }
      ]
    },
    {
      "dimension": "classe",
      "actuel": "moyen",
      "valeurs": [
        {
          "cle": "petit",
          "libelle": "Petit modèle",
          "defaut": false,
          "electricite_Wh": 301671000,
          "co2e_gCO2e": 138253000
        },
        {
          "cle": "moyen",
          "libelle": "Modèle moyen",
          "defaut": true,
          "electricite_Wh": 726871000,
          "co2e_gCO2e": 333118000
        },
        {
          "cle": "grand",
          "libelle": "Grand modèle",
          "defaut": false,
          "electricite_Wh": 2257480000,
          "co2e_gCO2e": 1034580000
        }
      ]
    },
    {
      "dimension": "raisonnement",
      "actuel": "sans",
      "valeurs": [
        {
          "cle": "sans",
          "libelle": "Sans raisonnement",
          "defaut": true,
          "electricite_Wh": 598116000,
          "co2e_gCO2e": 274110000
        },
        {
          "cle": "moyen",
          "libelle": "Raisonnement moyen",
          "defaut": false,
          "electricite_Wh": 787290000,
          "co2e_gCO2e": 360807000
        },
        {
          "cle": "pousse",
          "libelle": "Raisonnement poussé",
          "defaut": false,
          "electricite_Wh": 2448730000,
          "co2e_gCO2e": 1122230000
        }
      ]
    },
    {
      "dimension": "taille",
      "actuel": "standard",
      "valeurs": [
        {
          "cle": "standard",
          "libelle": "Image standard",
          "defaut": true,
          "electricite_Wh": 598116000,
          "co2e_gCO2e": 274110000
        },
        {
          "cle": "grande",
          "libelle": "Grande image",
          "defaut": false,
          "electricite_Wh": 709576000,
          "co2e_gCO2e": 325192000
        }
      ]
    },
    {
      "dimension": "calage",
      "actuel": "mesures",
      "valeurs": [
        {
          "cle": "mesures",
          "libelle": "Calé sur les chiffres publiés",
          "defaut": true,
          "electricite_Wh": 598116000,
          "co2e_gCO2e": 274110000
        },
        {
          "cle": "bruts",
          "libelle": "Facteurs bruts",
          "defaut": false,
          "electricite_Wh": 751001000,
          "co2e_gCO2e": 344176000
        }
      ]
    },
    {
      "dimension": "duree",
      "actuel": "an",
      "valeurs": [
        {
          "cle": "an",
          "libelle": "Un an",
          "defaut": true,
          "electricite_Wh": 598116000,
          "co2e_gCO2e": 274110000
        },
        {
          "cle": "mois",
          "libelle": "Un mois",
          "defaut": false,
          "electricite_Wh": 49843000,
          "co2e_gCO2e": 22842500
        },
        {
          "cle": "jour",
          "libelle": "Un jour",
          "defaut": false,
          "electricite_Wh": 1638670,
          "co2e_gCO2e": 750988
        }
      ]
    }
  ],
  "curseurs": [
    {
      "cle": "jours",
      "defaut": 365
    },
    {
      "cle": "secondes",
      "defaut": 5.4
    }
  ],
  "params": {
    "lieu": "monde",
    "adoption": "courant",
    "calage": "mesures",
    "classe": "moyen",
    "outillage": "assistant",
    "raisonnement": "sans",
    "secteur": "services",
    "taille": "standard",
    "t_mot": 1.6,
    "t_consigne": 40,
    "t_question": 100,
    "t_reponse": 400,
    "t_email": 240,
    "t_page": 640,
    "t_article": 1600,
    "t_document": 19200,
    "t_roman": 128000,
    "t_tolkien": 768000,
    "t_minute_parole": 240,
    "t_reunion": 17600,
    "t_page_web": 1600,
    "t_extrait": 320,
    "t_image_lue": 1100,
    "t_minute_audio_lue": 600,
    "t_minute_audio_ecrite": 1200,
    "t_ligne_code": 12,
    "t_fonction": 480,
    "t_fichier_code": 3600,
    "t_tableur": 9300,
    "t_consigne_systeme": 500,
    "part_utilisateurs": 0.25,
    "k_calage": 0.6556
  },
  "perimetre": {
    "court": "usage personnel, gratuit ou par abonnement, centre de données compris",
    "compte": "l'usage personnel des 65 à 89 ans, gratuit ou par abonnement, centre de données compris",
    "non_compte": "les 90 ans et plus, le travail des personnes encore en emploi et la fabrication des serveurs et l'entraînement des modèles"
  },
  "recette": [
    {
      "id": "IA-0074",
      "designation": "Usage personnel gratuit, 1 an",
      "role": "entree",
      "quantite": 403436,
      "unitaire_Wh": 748.967,
      "contribution_Wh": 302160000,
      "nature": "mesure",
      "source": "eurostat-ia-2025",
      "note": "65 à 74 ans : 7,7 millions, 6 % utilisent l'IA pour eux-mêmes",
      "adresse": "https://projetcelsius.com/ia/base/activites/usage-personnel-gratuit-1-an/"
    },
    {
      "id": "IA-0074",
      "designation": "Usage personnel gratuit, 1 an",
      "role": "entree",
      "quantite": 187264,
      "unitaire_Wh": 748.967,
      "contribution_Wh": 140255000,
      "nature": "hypothese",
      "source": "eurostat-ia-2025",
      "note": "75 à 89 ans : 6,7 millions, 3 % utilisent l'IA pour eux-mêmes",
      "adresse": "https://projetcelsius.com/ia/base/activites/usage-personnel-gratuit-1-an/"
    },
    {
      "id": "IA-0319",
      "designation": "ChatGPT Plus, 1 an",
      "role": "entree",
      "quantite": 51365.2,
      "unitaire_Wh": 3031.26,
      "contribution_Wh": 155701000,
      "nature": "hypothese",
      "source": "credoc-2026",
      "note": "65 ans et plus, les 8 % d'utilisateurs personnels qui paient un abonnement",
      "adresse": "https://projetcelsius.com/ia/base/activites/chatgpt-plus-1-an/"
    }
  ],
  "lignage": [
    {
      "id": "IA-0074",
      "designation": "Usage personnel gratuit, 1 an",
      "etage": "activites",
      "quantite": 403436,
      "contribution_Wh": 302160000,
      "nature": "mesure",
      "fait_de": [
        {
          "id": "IA-0210",
          "designation": "Lire un aperçu généré par IA en tête d'une recherche",
          "etage": "taches",
          "quantite": 102653000,
          "contribution_Wh": 81728000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0042",
              "designation": "Poser une question rapide",
              "etage": "taches",
              "quantite": 102653000,
              "contribution_Wh": 81728000,
              "nature": "hypothese"
            }
          ]
        },
        {
          "id": "IA-0047",
          "designation": "Créer un clip de 5 secondes",
          "etage": "taches",
          "quantite": 649982,
          "contribution_Wh": 64349500,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0014",
              "designation": "Générer une seconde de vidéo",
              "etage": "machine",
              "quantite": 3860900,
              "contribution_Wh": 64349500,
              "nature": "mesure"
            }
          ]
        },
        {
          "id": "IA-0201",
          "designation": "Avoir une conversation de 10 échanges",
          "etage": "taches",
          "quantite": 14624600,
          "contribution_Wh": 51467800,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
              "etage": "machine",
              "quantite": 42186700,
              "contribution_Wh": 40499300,
              "nature": "convention"
            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
              "etage": "machine",
              "quantite": 237300000,
              "contribution_Wh": 7593610,
              "nature": "hypothese"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 10546700,
              "contribution_Wh": 3374940,
              "nature": "convention"
            }
          ]
        },
        {
          "id": "IA-0045",
          "designation": "Faire une recherche approfondie",
          "etage": "taches",
          "quantite": 374990,
          "contribution_Wh": 37093100,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 43279200,
              "contribution_Wh": 13849400,
              "nature": "hypothese"
            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
              "etage": "machine",
              "quantite": 432684000,
              "contribution_Wh": 13845900,
              "nature": "hypothese"
            },
            {
              "id": "IA-0011",
              "designation": "Écrire 1 000 tokens",
              "etage": "machine",
              "quantite": 6273920,
              "contribution_Wh": 6022970,
              "nature": "hypothese"
            },
            {
              "id": "IA-0049",
              "designation": "Faire une recherche web classique (référence)",
              "etage": "taches",
              "quantite": 11249700,
              "contribution_Wh": 3374910,
              "nature": "hypothese"
            }
          ]
        },
        {
          "id": "IA-0042",
          "designation": "Poser une question rapide",
          "etage": "taches",
          "quantite": 114059000,
          "contribution_Wh": 34217800,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0011",
              "designation": "Écrire 1 000 tokens",
              "etage": "machine",
              "quantite": 32901800,
              "contribution_Wh": 31585700,
              "nature": "convention"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 8225440,
              "contribution_Wh": 2632140,
              "nature": "convention"
            }
          ]
        },
        {
          "id": "IA-0046",
          "designation": "Créer une image",
          "etage": "taches",
          "quantite": 3249910,
          "contribution_Wh": 10392200,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0013",
              "designation": "Générer une image",
              "etage": "machine",
              "quantite": 3574900,
              "contribution_Wh": 10392200,
              "nature": "mesure"
            }
          ]
        },
        {
          "id": "IA-0212",
          "designation": "Retoucher une photo",
          "etage": "taches",
          "quantite": 1624960,
          "contribution_Wh": 5623610,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0013",
              "designation": "Générer une image",
              "etage": "machine",
              "quantite": 1787450,
              "contribution_Wh": 5196120,
              "nature": "hypothese"
            },
            {
              "id": "IA-0017",
              "designation": "Analyser une image envoyée",
              "etage": "machine",
              "quantite": 1171850,
              "contribution_Wh": 412492,
              "nature": "convention"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 46874.1,
              "contribution_Wh": 14999.7,
              "nature": "convention"
            }
          ]
        },
        {
          "id": "IA-0215",
          "designation": "Parler en mode vocal, 1 minute",
          "etage": "taches",
          "quantite": 8124780,
          "contribution_Wh": 5062410,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0011",
              "designation": "Écrire 1 000 tokens",
              "etage": "machine",
              "quantite": 3515560,
              "contribution_Wh": 3374940,
              "nature": "hypothese"
            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
              "etage": "machine",
              "quantite": 35155600,
              "contribution_Wh": 1124980,
              "nature": "hypothese"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 1757780,
              "contribution_Wh": 562490,
              "nature": "hypothese"
            }
          ]
        },
        {
          "id": "IA-0043",
          "designation": "Interroger un PDF de 30 pages",
          "etage": "taches",
          "quantite": 749980,
          "contribution_Wh": 3548010,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 10438500,
              "contribution_Wh": 3340320,
              "nature": "convention"
            },
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
              "etage": "machine",
              "quantite": 216342,
              "contribution_Wh": 207688,
              "nature": "convention"
            }
          ]
        },
        {
          "id": "IA-0205",
          "designation": "Corriger ou reformuler une page",
          "etage": "taches",
          "quantite": 4874870,
          "contribution_Wh": 2924950,
          "nature": "hypothese",
          "fait_de": [
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              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
              "etage": "machine",
              "quantite": 2249960,
              "contribution_Wh": 2159960,
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            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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          ]
        },
        {
          "id": "IA-0206",
          "designation": "Traduire une page",
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          "quantite": 4874870,
          "contribution_Wh": 2924950,
          "nature": "hypothese",
          "fait_de": [
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              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
              "etage": "machine",
              "quantite": 2249960,
              "contribution_Wh": 2159960,
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            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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              "contribution_Wh": 764986,
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          ]
        },
        {
          "id": "IA-0202",
          "designation": "Écrire un e-mail",
          "etage": "taches",
          "quantite": 8124780,
          "contribution_Wh": 1874970,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
              "etage": "machine",
              "quantite": 1406220,
              "contribution_Wh": 1349980,
              "nature": "convention"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 1640590,
              "contribution_Wh": 524990,
              "nature": "hypothese"
            }
          ]
        },
        {
          "id": "IA-0218",
          "designation": "Générer une fonction",
          "etage": "taches",
          "quantite": 812478,
          "contribution_Wh": 952482,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 2132770,
              "contribution_Wh": 682487,
              "nature": "convention"
            },
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
              "etage": "machine",
              "quantite": 281245,
              "contribution_Wh": 269995,
              "nature": "convention"
            }
          ]
        }
      ]
    },
    {
      "id": "IA-0319",
      "designation": "ChatGPT Plus, 1 an",
      "etage": "activites",
      "quantite": 51365.2,
      "contribution_Wh": 155701000,
      "nature": "hypothese",
      "fait_de": [
        {
          "id": "IA-0045",
          "designation": "Faire une recherche approfondie",
          "etage": "taches",
          "quantite": 534198,
          "contribution_Wh": 52841600,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 61654200,
              "contribution_Wh": 19729300,
              "nature": "hypothese"
            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
              "etage": "machine",
              "quantite": 616388000,
              "contribution_Wh": 19724400,
              "nature": "hypothese"
            },
            {
              "id": "IA-0011",
              "designation": "Écrire 1 000 tokens",
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    {
      "id": "IA-0507",
      "designation": "France, 1 an",
      "adresse": "https://projetcelsius.com/ia/base/monde/france/"
    }
  ],
  "conventions": [
    {
      "code": "C5",
      "nom": "Le lieu par défaut",
      "regle": "Sans autre information, les serveurs sont dans le monde, à l'électricité moyenne mondiale",
      "valeur": "monde",
      "alternatives": "les États-Unis, où tournent la plupart des grands assistants"
    },
    {
      "code": "C7",
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      "regle": "Le kilowattheure est celui du pays des serveurs, en cycle de vie, d'une seule source pour tous les pays",
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      "alternatives": "market-based, avec les contrats d'achat, affiché à côté quand il est publié"
    },
    {
      "code": "C8",
      "nom": "Deux chiffres significatifs",
      "regle": "Une valeur calculée s'arrondit à deux chiffres significatifs, une valeur publiée est reprise avec la précision de sa source ; le calcul garde toute la précision",
      "valeur": "2 chiffres",
      "alternatives": ""
    }
  ],
  "releves": [],
  "adresses": {
    "page": "https://projetcelsius.com/ia/base/monde/65-ans-et-plus-en-france-usage-personnel/",
    "lien_court": "https://projetcelsius.com/ia/base/IA-0512/",
    "json": "https://projetcelsius.com/ia/base/monde/65-ans-et-plus-en-france-usage-personnel.json",
    "markdown": "https://projetcelsius.com/ia/base/monde/65-ans-et-plus-en-france-usage-personnel.md"
  },
  "licence": "CC BY 4.0",
  "citation": "Projet Celsius, Base Impact de l'IA, « 65 ans et plus en France, usage personnel, 1 an », IA-0512, version 0.1, 2 novembre 2026, projetcelsius.com/ia/base/IA-0512/ · CC BY 4.0."
}