{
  "unit": "companies",
  "snapshot": "2026-09-23",
  "query": "queries/cohorts.json",
  "note": "AI companies by founding year: when the record was last refreshed (updated_at month), and how many carry a headcount, and one of 11 or more.",
  "rows": [
    {
      "year": 2016,
      "ai_count": 1860,
      "updated_before_2026_04_count": 4,
      "updated_2026_04_count": 1555,
      "updated_2026_05_count": 301,
      "updated_after_2026_05_count": 0,
      "headcount_count": 1629,
      "headcount_11_count": 673,
      "headcount_share": 0.8758,
      "headcount_11_share": 0.3618
    },
    {
      "year": 2017,
      "ai_count": 2453,
      "updated_before_2026_04_count": 2,
      "updated_2026_04_count": 2089,
      "updated_2026_05_count": 362,
      "updated_after_2026_05_count": 0,
      "headcount_count": 2155,
      "headcount_11_count": 829,
      "headcount_share": 0.8785,
      "headcount_11_share": 0.338
    },
    {
      "year": 2018,
      "ai_count": 2772,
      "updated_before_2026_04_count": 7,
      "updated_2026_04_count": 2344,
      "updated_2026_05_count": 421,
      "updated_after_2026_05_count": 0,
      "headcount_count": 2453,
      "headcount_11_count": 931,
      "headcount_share": 0.8849,
      "headcount_11_share": 0.3359
    },
    {
      "year": 2019,
      "ai_count": 2500,
      "updated_before_2026_04_count": 7,
      "updated_2026_04_count": 2155,
      "updated_2026_05_count": 338,
      "updated_after_2026_05_count": 0,
      "headcount_count": 2227,
      "headcount_11_count": 778,
      "headcount_share": 0.8908,
      "headcount_11_share": 0.3112
    },
    {
      "year": 2020,
      "ai_count": 2632,
      "updated_before_2026_04_count": 17,
      "updated_2026_04_count": 2222,
      "updated_2026_05_count": 393,
      "updated_after_2026_05_count": 0,
      "headcount_count": 2349,
      "headcount_11_count": 745,
      "headcount_share": 0.8925,
      "headcount_11_share": 0.2831
    },
    {
      "year": 2021,
      "ai_count": 2546,
      "updated_before_2026_04_count": 9,
      "updated_2026_04_count": 2188,
      "updated_2026_05_count": 349,
      "updated_after_2026_05_count": 0,
      "headcount_count": 2303,
      "headcount_11_count": 737,
      "headcount_share": 0.9046,
      "headcount_11_share": 0.2895
    },
    {
      "year": 2022,
      "ai_count": 2875,
      "updated_before_2026_04_count": 19,
      "updated_2026_04_count": 2416,
      "updated_2026_05_count": 440,
      "updated_after_2026_05_count": 0,
      "headcount_count": 2600,
      "headcount_11_count": 655,
      "headcount_share": 0.9043,
      "headcount_11_share": 0.2278
    },
    {
      "year": 2023,
      "ai_count": 6436,
      "updated_before_2026_04_count": 56,
      "updated_2026_04_count": 5441,
      "updated_2026_05_count": 939,
      "updated_after_2026_05_count": 0,
      "headcount_count": 5754,
      "headcount_11_count": 1021,
      "headcount_share": 0.894,
      "headcount_11_share": 0.1586
    },
    {
      "year": 2024,
      "ai_count": 6354,
      "updated_before_2026_04_count": 47,
      "updated_2026_04_count": 5423,
      "updated_2026_05_count": 884,
      "updated_after_2026_05_count": 0,
      "headcount_count": 5813,
      "headcount_11_count": 739,
      "headcount_share": 0.9149,
      "headcount_11_share": 0.1163
    },
    {
      "year": 2025,
      "ai_count": 5081,
      "updated_before_2026_04_count": 23,
      "updated_2026_04_count": 4341,
      "updated_2026_05_count": 717,
      "updated_after_2026_05_count": 0,
      "headcount_count": 4832,
      "headcount_11_count": 272,
      "headcount_share": 0.951,
      "headcount_11_share": 0.0535
    },
    {
      "year": 2026,
      "ai_count": 867,
      "updated_before_2026_04_count": 1,
      "updated_2026_04_count": 725,
      "updated_2026_05_count": 141,
      "updated_after_2026_05_count": 0,
      "headcount_count": 833,
      "headcount_11_count": 14,
      "headcount_share": 0.9608,
      "headcount_11_share": 0.0161
    }
  ]
}