{
  "name": "Estimated population share of the 16 types (US)",
  "description": "Estimated percentage of the US population for each of the 16 four-letter types, from the 1998 national representative sample published by the Myers & Briggs Foundation. Point estimates; the Foundation notes that figures vary by sample and instrument.",
  "license": "Figures are reported from the cited source for educational reference. The table structure and annotations are CC BY 4.0.",
  "source": {
    "label": "Myers & Briggs Foundation: How Frequent Is My Type",
    "href": "https://www.myersbriggs.org/my-mbti-personality-type/my-mbti-results/how-frequent-is-my-type.htm"
  },
  "evidenceLabel": "Framework definition (publisher-reported sample statistics)",
  "headers": [
    "Type",
    "Estimated share of US population",
    "Rank (most to least common)"
  ],
  "rows": [
    [
      "ISFJ",
      "13.8%",
      "1"
    ],
    [
      "ESFJ",
      "12.3%",
      "2"
    ],
    [
      "ISTJ",
      "11.6%",
      "3"
    ],
    [
      "ISFP",
      "8.8%",
      "4"
    ],
    [
      "ESTJ",
      "8.7%",
      "5"
    ],
    [
      "ESFP",
      "8.5%",
      "6"
    ],
    [
      "ENFP",
      "8.1%",
      "7"
    ],
    [
      "ISTP",
      "5.4%",
      "8"
    ],
    [
      "INFP",
      "4.4%",
      "9"
    ],
    [
      "ESTP",
      "4.3%",
      "10"
    ],
    [
      "INTP",
      "3.3%",
      "11"
    ],
    [
      "ENTP",
      "3.2%",
      "12"
    ],
    [
      "ENFJ",
      "2.5%",
      "13"
    ],
    [
      "INTJ",
      "2.1%",
      "14"
    ],
    [
      "ENTJ",
      "1.8%",
      "15"
    ],
    [
      "INFJ",
      "1.5%",
      "16"
    ]
  ],
  "notes": [
    "INTJ sex split from the same source: about 3.3% of men and 0.8% of women. Splits for the other 15 types are published on the source page and were not transcribed here.",
    "These are self-report survey estimates from one US sample, not a census. Other samples and other instruments produce different figures; treat every number as an approximate range, not a fixed fact."
  ]
}