{
 "state": "Ohio",
 "report_year": 2025,
 "publisher": "Ohio Department of Insurance, Office of Product Regulation and Actuarial Services",
 "report": "2025 Property and Casualty Insurance Market Share Report",
 "source_page": "https://dam.assets.ohio.gov/image/upload/insurance.ohio.gov/Company/Product%20Regulation/2025_Market_Share_Report.pdf",
 "retrieved": "2026-10-12",
 "basis": "Direct written premium by insurance group, as grouped by the department (NAIC database as of 6/23/2026)",
 "lines": {
  "all": {
   "label": "Total P&C, lines listed in the department's Appendix 3",
   "market_total": 26403359785,
   "market_total_prev": null,
   "market_yoy_pct": null,
   "groups_count": null,
   "top10_share_pct": 54.15,
   "top10": [
    {
     "rank": 1,
     "group_code": null,
     "source_name": "STATE FARM GRP",
     "name": "State Farm Group",
     "premium": 3353236329,
     "share_pct": 12.7,
     "share_pct_source": 12.7,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 2,
     "group_code": null,
     "source_name": "PROGRESSIVE GRP",
     "name": "Progressive Group",
     "premium": 2454590252,
     "share_pct": 9.3,
     "share_pct_source": 9.3,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 3,
     "group_code": null,
     "source_name": "ALLSTATE INS GRP",
     "name": "Allstate Insurance Group",
     "premium": 1766319775,
     "share_pct": 6.69,
     "share_pct_source": 6.7,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 4,
     "group_code": null,
     "source_name": "CINCINNATI FIN GRP",
     "name": "Cincinnati Financial Group",
     "premium": 1169974278,
     "share_pct": 4.43,
     "share_pct_source": 4.4,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 5,
     "group_code": null,
     "source_name": "LIBERTY MUT GRP",
     "name": "Liberty Mutual Group",
     "premium": 1144936345,
     "share_pct": 4.34,
     "share_pct_source": 4.3,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 6,
     "group_code": null,
     "source_name": "ERIE INS GRP",
     "name": "Erie Insurance Group",
     "premium": 1067938057,
     "share_pct": 4.04,
     "share_pct_source": 4.0,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 7,
     "group_code": null,
     "source_name": "BERKSHIRE HATHAWAY GRP",
     "name": "Berkshire Hathaway Group",
     "premium": 991060760,
     "share_pct": 3.75,
     "share_pct_source": 3.8,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 8,
     "group_code": null,
     "source_name": "Travelers Grp",
     "name": "Travelers Group",
     "premium": 858750755,
     "share_pct": 3.25,
     "share_pct_source": 3.3,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 9,
     "group_code": null,
     "source_name": "NATIONWIDE CORP GRP",
     "name": "Nationwide Corporation Group",
     "premium": 781854914,
     "share_pct": 2.96,
     "share_pct_source": 3.0,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 10,
     "group_code": null,
     "source_name": "GRANGE MUT CAS GRP",
     "name": "Grange Mutual Casualty Group",
     "premium": 709538864,
     "share_pct": 2.69,
     "share_pct_source": 2.7,
     "premium_prev": null,
     "yoy_pct": null
    }
   ]
  },
  "personal-auto": {
   "label": "Private passenger auto (Lines 19.1 + 19.2 + 21.1)",
   "market_total": 9256689636,
   "market_total_prev": null,
   "market_yoy_pct": null,
   "groups_count": null,
   "top10_share_pct": 81.99,
   "top10": [
    {
     "rank": 1,
     "group_code": null,
     "source_name": "STATE FARM GRP",
     "name": "State Farm Group",
     "premium": 2013994966,
     "share_pct": 21.76,
     "share_pct_source": 21.8,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 2,
     "group_code": null,
     "source_name": "PROGRESSIVE GRP",
     "name": "Progressive Group",
     "premium": 1989247494,
     "share_pct": 21.49,
     "share_pct_source": 21.5,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 3,
     "group_code": null,
     "source_name": "ALLSTATE INS GRP",
     "name": "Allstate Insurance Group",
     "premium": 1074771628,
     "share_pct": 11.61,
     "share_pct_source": 11.6,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 4,
     "group_code": null,
     "source_name": "BERKSHIRE HATHAWAY GRP",
     "name": "Berkshire Hathaway Group",
     "premium": 601540552,
     "share_pct": 6.5,
     "share_pct_source": 6.5,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 5,
     "group_code": null,
     "source_name": "ERIE INS GRP",
     "name": "Erie Insurance Group",
     "premium": 441016098,
     "share_pct": 4.76,
     "share_pct_source": 4.8,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 6,
     "group_code": null,
     "source_name": "GRANGE MUT CAS GRP",
     "name": "Grange Mutual Casualty Group",
     "premium": 355643549,
     "share_pct": 3.84,
     "share_pct_source": 3.8,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 7,
     "group_code": null,
     "source_name": "UNITED SERV AUTOMOBILE ASSN GR",
     "name": "USAA Group",
     "premium": 332504082,
     "share_pct": 3.59,
     "share_pct_source": 3.6,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 8,
     "group_code": null,
     "source_name": "NATIONWIDE CORP GRP",
     "name": "Nationwide Corporation Group",
     "premium": 297147631,
     "share_pct": 3.21,
     "share_pct_source": 3.2,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 9,
     "group_code": null,
     "source_name": "LIBERTY MUT GRP",
     "name": "Liberty Mutual Group",
     "premium": 274877609,
     "share_pct": 2.97,
     "share_pct_source": 3.0,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 10,
     "group_code": null,
     "source_name": "AUTO OWNERS GRP",
     "name": "Auto-Owners Group",
     "premium": 208593448,
     "share_pct": 2.25,
     "share_pct_source": 2.3,
     "premium_prev": null,
     "yoy_pct": null
    }
   ]
  },
  "homeowners": {
   "label": "Homeowners multiple peril (Line 4)",
   "market_total": 5099703637,
   "market_total_prev": null,
   "market_yoy_pct": null,
   "groups_count": null,
   "top10_share_pct": 75.29,
   "top10": [
    {
     "rank": 1,
     "group_code": null,
     "source_name": "STATE FARM GRP",
     "name": "State Farm Group",
     "premium": 1082312125,
     "share_pct": 21.22,
     "share_pct_source": 21.2,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 2,
     "group_code": null,
     "source_name": "ALLSTATE INS GRP",
     "name": "Allstate Insurance Group",
     "premium": 617913769,
     "share_pct": 12.12,
     "share_pct_source": 12.1,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 3,
     "group_code": null,
     "source_name": "ERIE INS GRP",
     "name": "Erie Insurance Group",
     "premium": 389372709,
     "share_pct": 7.64,
     "share_pct_source": 7.6,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 4,
     "group_code": null,
     "source_name": "LIBERTY MUT GRP",
     "name": "Liberty Mutual Group",
     "premium": 334357171,
     "share_pct": 6.56,
     "share_pct_source": 6.6,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 5,
     "group_code": null,
     "source_name": "AMERICAN FAMILY INS GRP",
     "name": "American Family Insurance Group",
     "premium": 324602827,
     "share_pct": 6.37,
     "share_pct_source": 6.4,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 6,
     "group_code": null,
     "source_name": "GRANGE MUT CAS GRP",
     "name": "Grange Mutual Casualty Group",
     "premium": 237526752,
     "share_pct": 4.66,
     "share_pct_source": 4.7,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 7,
     "group_code": null,
     "source_name": "NATIONWIDE CORP GRP",
     "name": "Nationwide Corporation Group",
     "premium": 224476981,
     "share_pct": 4.4,
     "share_pct_source": 4.4,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 8,
     "group_code": null,
     "source_name": "CINCINNATI FIN GRP",
     "name": "Cincinnati Financial Group",
     "premium": 214857596,
     "share_pct": 4.21,
     "share_pct_source": 4.2,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 9,
     "group_code": null,
     "source_name": "UNITED SERV AUTOMOBILE ASSN GR",
     "name": "USAA Group",
     "premium": 212991020,
     "share_pct": 4.18,
     "share_pct_source": 4.2,
     "premium_prev": null,
     "yoy_pct": null
    },
    {
     "rank": 10,
     "group_code": null,
     "source_name": "AUTO OWNERS GRP",
     "name": "Auto-Owners Group",
     "premium": 200972575,
     "share_pct": 3.94,
     "share_pct_source": 3.9,
     "premium_prev": null,
     "yoy_pct": null
    }
   ]
  }
 },
 "compiled_by": "Lapidar (https://getlapidar.com/data/pc-carriers-by-state/)"
}
