{
  "name": "h1b-lca-open-data",
  "generated_at": "2026-08-26",
  "license": "CC BY 4.0",
  "source": "US DOL OFLC LCA disclosure data",
  "site": "https://h1b.report",
  "min_n": 25,
  "wage_band_usd": [
    20000,
    1000000
  ],
  "wage_rounding_usd": 100,
  "coverage": {
    "first_fy": 2010,
    "last_fy": 2026,
    "filings": 9331644,
    "employers": 126465,
    "socs": 782
  },
  "files": [
    {
      "file": "national_by_year.csv",
      "rows": 17,
      "columns": [
        "fiscal_year",
        "total_filings",
        "certified_pct",
        "median_wage"
      ]
    },
    {
      "file": "occupation_by_year.csv",
      "rows": 4477,
      "columns": [
        "soc_code",
        "soc_title",
        "fiscal_year",
        "filings",
        "wage_p25",
        "wage_median",
        "wage_p75"
      ]
    },
    {
      "file": "occupation_by_state.csv",
      "rows": 6578,
      "columns": [
        "soc_code",
        "soc_title",
        "state",
        "filings",
        "wage_median"
      ]
    },
    {
      "file": "occupation_wage_by_level.csv",
      "rows": 1132,
      "columns": [
        "soc_code",
        "soc_title",
        "pw_level",
        "n",
        "wage_p25",
        "wage_median",
        "wage_p75"
      ]
    },
    {
      "file": "state_by_year.csv",
      "rows": 931,
      "columns": [
        "state",
        "fiscal_year",
        "filings",
        "wage_median"
      ]
    },
    {
      "file": "sector_by_year.csv",
      "rows": 425,
      "columns": [
        "naics2",
        "sector_name",
        "fiscal_year",
        "filings",
        "wage_median"
      ]
    },
    {
      "file": "employers_summary.csv",
      "rows": 18927,
      "columns": [
        "employer_slug",
        "employer_name",
        "employer_state",
        "total_filings",
        "first_fy",
        "last_fy",
        "certified_pct",
        "cert_withdrawn_pct",
        "withdrawn_pct",
        "denied_pct",
        "median_wage",
        "top_soc_code",
        "top_soc_title"
      ]
    },
    {
      "file": "sample_occupation_by_state.csv",
      "rows": 100,
      "columns": [
        "soc_code",
        "soc_title",
        "state",
        "filings",
        "wage_median"
      ],
      "note": "Preview: first 100 rows of occupation_by_state.csv (already suppressed at source)."
    },
    {
      "file": "soc_coverage_by_year.csv",
      "rows": 17,
      "columns": [
        "fiscal_year",
        "total_filings",
        "filings_with_soc_code",
        "soc_coverage_pct"
      ],
      "note": "Per-year SOC completeness diagnostic; whole-year aggregates, MIN_N not applicable."
    }
  ]
}