{
  "id": "IA-0513",
  "version": "0.1",
  "date": "2026-11-02",
  "moteur": "0.3.1",
  "designation": "Élèves et étudiants en France, études, 1 an",
  "titre_court": "Élèves et étudiants",
  "description": "Les devoirs, les révisions et les travaux des 5,6 millions de collégiens et lycéens et des 3,05 millions d'étudiants, pour la part qui se sert de l'IA pour ses études. Effectifs des ministères à la rentrée 2025, parts d'Eurostat et du Crédoc.",
  "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": 3355860000,
      "basse": 3197530000,
      "haute": 3968010000,
      "unite": "Wh",
      "fourchette": "propagee",
      "publie": false
    },
    "co2e": {
      "valeur": 1537960000,
      "basse": 1465390000,
      "haute": 1818500000,
      "unite": "gCO2e",
      "publie": false,
      "lieu": "monde",
      "gCO2e_par_kWh": 458.29
    },
    "facteur": null,
    "recomposition_Wh": 3355860000
  },
  "lieux": {
    "monde": {
      "libelle": "Dans le monde",
      "gCO2e_par_kWh": 458.29,
      "co2e_gCO2e": 1537960000
    },
    "france": {
      "libelle": "En France",
      "gCO2e_par_kWh": 41.44,
      "co2e_gCO2e": 139067000
    },
    "ue": {
      "libelle": "Dans l'Union européenne",
      "gCO2e_par_kWh": 209.9,
      "co2e_gCO2e": 704394000
    },
    "etats-unis": {
      "libelle": "Aux États-Unis",
      "gCO2e_par_kWh": 384.4,
      "co2e_gCO2e": 1289990000
    },
    "allemagne": {
      "libelle": "En Allemagne",
      "gCO2e_par_kWh": 329.65,
      "co2e_gCO2e": 1106260000
    },
    "irlande": {
      "libelle": "En Irlande",
      "gCO2e_par_kWh": 256.54,
      "co2e_gCO2e": 860912000
    },
    "pays-bas": {
      "libelle": "Aux Pays-Bas",
      "gCO2e_par_kWh": 253.56,
      "co2e_gCO2e": 850911000
    },
    "pologne": {
      "libelle": "En Pologne",
      "gCO2e_par_kWh": 588.6,
      "co2e_gCO2e": 1975260000
    },
    "suede": {
      "libelle": "En Suède",
      "gCO2e_par_kWh": 35.26,
      "co2e_gCO2e": 118328000
    },
    "norvege": {
      "libelle": "En Norvège",
      "gCO2e_par_kWh": 28.11,
      "co2e_gCO2e": 94333100
    },
    "suisse": {
      "libelle": "En Suisse",
      "gCO2e_par_kWh": 39.22,
      "co2e_gCO2e": 131617000
    },
    "finlande": {
      "libelle": "En Finlande",
      "gCO2e_par_kWh": 57.47,
      "co2e_gCO2e": 192861000
    }
  },
  "parametres": [],
  "reglages": [
    {
      "dimension": "adoption",
      "actuel": "courant",
      "valeurs": [
        {
          "cle": "sobre",
          "libelle": "Usage sobre",
          "defaut": false,
          "electricite_Wh": 973370000,
          "co2e_gCO2e": 446086000
        },
        {
          "cle": "courant",
          "libelle": "Usage courant",
          "defaut": true,
          "electricite_Wh": 3355860000,
          "co2e_gCO2e": 1537960000
        },
        {
          "cle": "intensif",
          "libelle": "Usage intensif",
          "defaut": false,
          "electricite_Wh": 8617350000,
          "co2e_gCO2e": 3949240000
        }
      ]
    },
    {
      "dimension": "classe",
      "actuel": "moyen",
      "valeurs": [
        {
          "cle": "petit",
          "libelle": "Petit modèle",
          "defaut": false,
          "electricite_Wh": 992082000,
          "co2e_gCO2e": 454661000
        },
        {
          "cle": "moyen",
          "libelle": "Modèle moyen",
          "defaut": true,
          "electricite_Wh": 3559250000,
          "co2e_gCO2e": 1631170000
        },
        {
          "cle": "grand",
          "libelle": "Grand modèle",
          "defaut": false,
          "electricite_Wh": 12800300000,
          "co2e_gCO2e": 5866250000
        }
      ]
    },
    {
      "dimension": "raisonnement",
      "actuel": "sans",
      "valeurs": [
        {
          "cle": "sans",
          "libelle": "Sans raisonnement",
          "defaut": true,
          "electricite_Wh": 3355860000,
          "co2e_gCO2e": 1537960000
        },
        {
          "cle": "moyen",
          "libelle": "Raisonnement moyen",
          "defaut": false,
          "electricite_Wh": 4345060000,
          "co2e_gCO2e": 1991300000
        },
        {
          "cle": "pousse",
          "libelle": "Raisonnement poussé",
          "defaut": false,
          "electricite_Wh": 13032800000,
          "co2e_gCO2e": 5972810000
        }
      ]
    },
    {
      "dimension": "taille",
      "actuel": "standard",
      "valeurs": [
        {
          "cle": "standard",
          "libelle": "Image standard",
          "defaut": true,
          "electricite_Wh": 3355860000,
          "co2e_gCO2e": 1537960000
        },
        {
          "cle": "grande",
          "libelle": "Grande image",
          "defaut": false,
          "electricite_Wh": 3941420000,
          "co2e_gCO2e": 1806310000
        }
      ]
    },
    {
      "dimension": "calage",
      "actuel": "mesures",
      "valeurs": [
        {
          "cle": "mesures",
          "libelle": "Calé sur les chiffres publiés",
          "defaut": true,
          "electricite_Wh": 3355860000,
          "co2e_gCO2e": 1537960000
        },
        {
          "cle": "bruts",
          "libelle": "Facteurs bruts",
          "defaut": false,
          "electricite_Wh": 4725900000,
          "co2e_gCO2e": 2165830000
        }
      ]
    },
    {
      "dimension": "duree",
      "actuel": "an",
      "valeurs": [
        {
          "cle": "an",
          "libelle": "Un an",
          "defaut": true,
          "electricite_Wh": 3355860000,
          "co2e_gCO2e": 1537960000
        },
        {
          "cle": "mois",
          "libelle": "Un mois",
          "defaut": false,
          "electricite_Wh": 279655000,
          "co2e_gCO2e": 128163000
        },
        {
          "cle": "jour",
          "libelle": "Un jour",
          "defaut": false,
          "electricite_Wh": 9194130,
          "co2e_gCO2e": 4213580
        }
      ]
    }
  ],
  "curseurs": [
    {
      "cle": "jours",
      "defaut": 180
    }
  ],
  "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 pour les études, centre de données compris",
    "compte": "l'usage de l'IA pour les études des collégiens, des lycéens et des étudiants, centre de données compris",
    "non_compte": "leur usage personnel, compté par âge, les élèves du primaire, la formation des adultes et la fabrication des serveurs et l'entraînement des modèles"
  },
  "recette": [
    {
      "id": "IA-0317",
      "designation": "Élève du secondaire, 1 an",
      "role": "entree",
      "quantite": 1340000,
      "unitaire_Wh": 335.142,
      "contribution_Wh": 449090000,
      "nature": "hypothese",
      "source": "credoc-2026",
      "note": "Collégiens : 3,35 millions, 40 % se font aider par l'IA pour leurs devoirs",
      "adresse": "https://projetcelsius.com/ia/base/activites/eleve-du-secondaire-1-an/"
    },
    {
      "id": "IA-0317",
      "designation": "Élève du secondaire, 1 an",
      "role": "entree",
      "quantite": 1498200,
      "unitaire_Wh": 335.142,
      "contribution_Wh": 502109000,
      "nature": "hypothese",
      "source": "eurostat-ia-2025",
      "note": "Lycéens : 2,27 millions, 66 % des 16 à 19 ans utilisent l'IA pour leurs études",
      "adresse": "https://projetcelsius.com/ia/base/activites/eleve-du-secondaire-1-an/"
    },
    {
      "id": "IA-0318",
      "designation": "Étudiant, 1 an",
      "role": "entree",
      "quantite": 2257000,
      "unitaire_Wh": 1065.42,
      "contribution_Wh": 2404660000,
      "nature": "mesure",
      "source": "eurostat-ia-2025",
      "note": "Étudiants : 3,05 millions, 74 % utilisent l'IA pour leurs études",
      "adresse": "https://projetcelsius.com/ia/base/activites/etudiant-1-an/"
    }
  ],
  "lignage": [
    {
      "id": "IA-0318",
      "designation": "Étudiant, 1 an",
      "etage": "activites",
      "quantite": 2257000,
      "contribution_Wh": 2404660000,
      "nature": "mesure",
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          "id": "IA-0209",
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              "id": "IA-0010",
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            },
            {
              "id": "IA-0049",
              "designation": "Faire une recherche web classique (référence)",
              "etage": "taches",
              "quantite": 541680000,
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            },
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
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              "nature": "convention"
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          ]
        },
        {
          "id": "IA-0201",
          "designation": "Avoir une conversation de 10 échanges",
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              "id": "IA-0021",
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            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
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            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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              "contribution_Wh": 25000800,
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          ]
        },
        {
          "id": "IA-0207",
          "designation": "Résumer un document de 30 pages",
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          "quantite": 63196000,
          "contribution_Wh": 308594000,
          "nature": "hypothese",
          "fait_de": [
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              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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            {
              "id": "IA-0021",
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        {
          "id": "IA-0043",
          "designation": "Interroger un PDF de 30 pages",
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              "id": "IA-0010",
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              "id": "IA-0021",
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          "fait_de": [
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              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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              "nature": "hypothese"
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              "id": "IA-0012",
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              "id": "IA-0011",
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              "id": "IA-0207",
              "designation": "Résumer un document de 30 pages",
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              "id": "IA-0209",
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            },
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              "id": "IA-0204",
              "designation": "Rédiger un article de 1 000 mots",
              "etage": "taches",
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          ]
        },
        {
          "id": "IA-0042",
          "designation": "Poser une question rapide",
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              "id": "IA-0011",
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              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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          ]
        },
        {
          "id": "IA-0205",
          "designation": "Corriger ou reformuler une page",
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              "id": "IA-0010",
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          ]
        },
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          "id": "IA-0223",
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              "id": "IA-0203",
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              "id": "IA-0010",
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              "id": "IA-0013",
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        {
          "id": "IA-0206",
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            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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        },
        {
          "id": "IA-0218",
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              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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              "id": "IA-0021",
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    },
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      "id": "IA-0317",
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              "id": "IA-0010",
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    },
    {
      "code": "C8",
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  "adresses": {
    "page": "https://projetcelsius.com/ia/base/monde/eleves-et-etudiants-en-france-etudes/",
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    "json": "https://projetcelsius.com/ia/base/monde/eleves-et-etudiants-en-france-etudes.json",
    "markdown": "https://projetcelsius.com/ia/base/monde/eleves-et-etudiants-en-france-etudes.md"
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  "licence": "CC BY 4.0",
  "citation": "Projet Celsius, Base Impact de l'IA, « Élèves et étudiants en France, études, 1 an », IA-0513, version 0.1, 2 novembre 2026, projetcelsius.com/ia/base/IA-0513/ · CC BY 4.0."
}