{
  "unit": "companies",
  "snapshot": "2026-09-23",
  "query": "queries/places.json",
  "note": "AI companies by headquarters metro. share is of the whole cohort, share_of_city of the companies that give a city; city_share is how many give one. comparison repeats the SF Bay Area, the city of San Francisco, and London under the probe and loose definitions.",
  "comparison": [
    {
      "definition": "definition",
      "cohort": "before",
      "count": 10553,
      "city_count": 8560,
      "sf-bay-area_count": 717,
      "sf-bay-area_share": 0.0679,
      "sf-bay-area_share_of_city": 0.0838,
      "san-francisco-city_count": 380,
      "san-francisco-city_share": 0.036,
      "san-francisco-city_share_of_city": 0.0444,
      "london_count": 375,
      "london_share": 0.0355,
      "london_share_of_city": 0.0438
    },
    {
      "definition": "definition",
      "cohort": "class",
      "count": 17871,
      "city_count": 13006,
      "sf-bay-area_count": 1358,
      "sf-bay-area_share": 0.076,
      "sf-bay-area_share_of_city": 0.1044,
      "san-francisco-city_count": 891,
      "san-francisco-city_share": 0.0499,
      "san-francisco-city_share_of_city": 0.0685,
      "london_count": 757,
      "london_share": 0.0424,
      "london_share_of_city": 0.0582
    },
    {
      "definition": "probe",
      "cohort": "before",
      "count": 41184,
      "city_count": 33251,
      "sf-bay-area_count": 2061,
      "sf-bay-area_share": 0.05,
      "sf-bay-area_share_of_city": 0.062,
      "san-francisco-city_count": 1102,
      "san-francisco-city_share": 0.0268,
      "san-francisco-city_share_of_city": 0.0331,
      "london_count": 1503,
      "london_share": 0.0365,
      "london_share_of_city": 0.0452
    },
    {
      "definition": "probe",
      "cohort": "class",
      "count": 38156,
      "city_count": 28762,
      "sf-bay-area_count": 2694,
      "sf-bay-area_share": 0.0706,
      "sf-bay-area_share_of_city": 0.0937,
      "san-francisco-city_count": 1869,
      "san-francisco-city_share": 0.049,
      "san-francisco-city_share_of_city": 0.065,
      "london_count": 1491,
      "london_share": 0.0391,
      "london_share_of_city": 0.0518
    },
    {
      "definition": "loose",
      "cohort": "before",
      "count": 68589,
      "city_count": 54183,
      "sf-bay-area_count": 2966,
      "sf-bay-area_share": 0.0432,
      "sf-bay-area_share_of_city": 0.0547,
      "san-francisco-city_count": 1591,
      "san-francisco-city_share": 0.0232,
      "san-francisco-city_share_of_city": 0.0294,
      "london_count": 2518,
      "london_share": 0.0367,
      "london_share_of_city": 0.0465
    },
    {
      "definition": "loose",
      "cohort": "class",
      "count": 85823,
      "city_count": 60714,
      "sf-bay-area_count": 4320,
      "sf-bay-area_share": 0.0503,
      "sf-bay-area_share_of_city": 0.0712,
      "san-francisco-city_count": 2868,
      "san-francisco-city_share": 0.0334,
      "san-francisco-city_share_of_city": 0.0472,
      "london_count": 3293,
      "london_share": 0.0384,
      "london_share_of_city": 0.0542
    }
  ],
  "rows": [
    {
      "cohort": "before",
      "group": "sf-bay-area",
      "count": 717,
      "share": 0.0679,
      "share_of_city": 0.0838
    },
    {
      "cohort": "before",
      "group": "new-york-city",
      "count": 341,
      "share": 0.0323,
      "share_of_city": 0.0398
    },
    {
      "cohort": "before",
      "group": "london",
      "count": 375,
      "share": 0.0355,
      "share_of_city": 0.0438
    },
    {
      "cohort": "before",
      "group": "paris",
      "count": 133,
      "share": 0.0126,
      "share_of_city": 0.0155
    },
    {
      "cohort": "before",
      "group": "berlin",
      "count": 106,
      "share": 0.01,
      "share_of_city": 0.0124
    },
    {
      "cohort": "before",
      "group": "toronto",
      "count": 129,
      "share": 0.0122,
      "share_of_city": 0.0151
    },
    {
      "cohort": "before",
      "group": "bengaluru",
      "count": 274,
      "share": 0.026,
      "share_of_city": 0.032
    },
    {
      "cohort": "before",
      "group": "tel-aviv",
      "count": 74,
      "share": 0.007,
      "share_of_city": 0.0086
    },
    {
      "cohort": "before",
      "group": "singapore",
      "count": 157,
      "share": 0.0149,
      "share_of_city": 0.0183
    },
    {
      "cohort": "before",
      "group": "beijing",
      "count": 5,
      "share": 0.0005,
      "share_of_city": 0.0006
    },
    {
      "cohort": "before",
      "group": "shanghai",
      "count": 6,
      "share": 0.0006,
      "share_of_city": 0.0007
    },
    {
      "cohort": "before",
      "group": "shenzhen",
      "count": 5,
      "share": 0.0005,
      "share_of_city": 0.0006
    },
    {
      "cohort": "before",
      "group": "hangzhou",
      "count": 2,
      "share": 0.0002,
      "share_of_city": 0.0002
    },
    {
      "cohort": "before",
      "group": "seattle",
      "count": 90,
      "share": 0.0085,
      "share_of_city": 0.0105
    },
    {
      "cohort": "before",
      "group": "boston",
      "count": 93,
      "share": 0.0088,
      "share_of_city": 0.0109
    },
    {
      "cohort": "before",
      "group": "austin",
      "count": 108,
      "share": 0.0102,
      "share_of_city": 0.0126
    },
    {
      "cohort": "before",
      "group": "los-angeles",
      "count": 131,
      "share": 0.0124,
      "share_of_city": 0.0153
    },
    {
      "cohort": "before",
      "group": "dubai",
      "count": 103,
      "share": 0.0098,
      "share_of_city": 0.012
    },
    {
      "cohort": "before",
      "group": "total",
      "count": 10553,
      "city_count": 8560,
      "city_share": 0.8111
    },
    {
      "cohort": "class",
      "group": "sf-bay-area",
      "count": 1358,
      "share": 0.076,
      "share_of_city": 0.1044
    },
    {
      "cohort": "class",
      "group": "new-york-city",
      "count": 573,
      "share": 0.0321,
      "share_of_city": 0.0441
    },
    {
      "cohort": "class",
      "group": "london",
      "count": 757,
      "share": 0.0424,
      "share_of_city": 0.0582
    },
    {
      "cohort": "class",
      "group": "paris",
      "count": 197,
      "share": 0.011,
      "share_of_city": 0.0151
    },
    {
      "cohort": "class",
      "group": "berlin",
      "count": 125,
      "share": 0.007,
      "share_of_city": 0.0096
    },
    {
      "cohort": "class",
      "group": "toronto",
      "count": 197,
      "share": 0.011,
      "share_of_city": 0.0151
    },
    {
      "cohort": "class",
      "group": "bengaluru",
      "count": 380,
      "share": 0.0213,
      "share_of_city": 0.0292
    },
    {
      "cohort": "class",
      "group": "tel-aviv",
      "count": 64,
      "share": 0.0036,
      "share_of_city": 0.0049
    },
    {
      "cohort": "class",
      "group": "singapore",
      "count": 221,
      "share": 0.0124,
      "share_of_city": 0.017
    },
    {
      "cohort": "class",
      "group": "beijing",
      "count": 3,
      "share": 0.0002,
      "share_of_city": 0.0002
    },
    {
      "cohort": "class",
      "group": "shanghai",
      "count": 3,
      "share": 0.0002,
      "share_of_city": 0.0002
    },
    {
      "cohort": "class",
      "group": "shenzhen",
      "count": 3,
      "share": 0.0002,
      "share_of_city": 0.0002
    },
    {
      "cohort": "class",
      "group": "hangzhou",
      "count": 1,
      "share": 0.0001,
      "share_of_city": 0.0001
    },
    {
      "cohort": "class",
      "group": "seattle",
      "count": 174,
      "share": 0.0097,
      "share_of_city": 0.0134
    },
    {
      "cohort": "class",
      "group": "boston",
      "count": 123,
      "share": 0.0069,
      "share_of_city": 0.0095
    },
    {
      "cohort": "class",
      "group": "austin",
      "count": 175,
      "share": 0.0098,
      "share_of_city": 0.0135
    },
    {
      "cohort": "class",
      "group": "los-angeles",
      "count": 194,
      "share": 0.0109,
      "share_of_city": 0.0149
    },
    {
      "cohort": "class",
      "group": "dubai",
      "count": 252,
      "share": 0.0141,
      "share_of_city": 0.0194
    },
    {
      "cohort": "class",
      "group": "total",
      "count": 17871,
      "city_count": 13006,
      "city_share": 0.7278
    }
  ]
}