{ "schemaVersion": "1.0.0", "datasetVersion": "countries-2026-08", "verifiedDate": "2026-08-23", "counts": { "unMembers": 193, "states195": 195, "isoAreas": 249 }, "algorithms": [ "rcg-fresh-v1", "rcg-seeded-v1" ], "licenses": { "cldr": "Unicode-3.0", "flags": "MIT", "flagsLicensePath": "/flags/LICENSE" }, "integrity": { "countrySnapshotSha256": "9962575422b9df43bccc24321640da287cdf43fed776562b6cfb1703741cc956", "unMemberCodeSnapshotSha256": "c556ca37efd0c43e86c770a04cb9782169674d0cd27fb7274aaf753b8982ffa8", "observerStateCodeSnapshotSha256": "7f43ab31b5601f5821fe013eb3a4c3a0bbdaf93fe46faf52abd3017f08e7fc0d" }, "sources": [ { "id": "un-m49-overview", "url": "https://unstats.un.org/unsd/methodology/m49/overview/", "retrieved": "2026-08-23", "sha256": "b9048114f6e7f2abda83bf03d4263c9d7cd1bd7230e3d0461025ee7839a7a1fb", "fields": [ "referenceName", "m49", "isoAlpha2", "isoAlpha3", "region", "subregion" ] }, { "id": "cldr-code-mappings", "version": "48.0.0", "url": 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"https://raw.githubusercontent.com/unicode-org/cldr-json/48.0.0/cldr-json/cldr-localenames-full/main/ja/territories.json", "retrieved": "2026-08-23", "sha256": "2e9976a1d5e6a02e48b5a5c18987bd6246b0a21369513386bb5874a6887056d2", "fields": [ "display names (ja)", "region names (ja)" ] }, { "id": "cldr-territories-zh-CN", "version": "48.0.0", "url": "https://raw.githubusercontent.com/unicode-org/cldr-json/48.0.0/cldr-json/cldr-localenames-full/main/zh/territories.json", "retrieved": "2026-08-23", "sha256": "18f1426f1e8981a671517a4857a8d4e56060909906c4cfd9b9a43a8a18b9ab6f", "fields": [ "display names (zh-CN)", "region names (zh-CN)" ] }, { "id": "cldr-territories-ru", "version": "48.0.0", "url": "https://raw.githubusercontent.com/unicode-org/cldr-json/48.0.0/cldr-json/cldr-localenames-full/main/ru/territories.json", "retrieved": "2026-08-23", "sha256": "305ba1f9eecb1b0151ab081a111aaa8a5898d38c9d57bfbfa125734e508a2389", "fields": [ "display names (ru)", "region names (ru)" ] } ], "membershipSources": [ "https://www.un.org/en/about-us/member-states", "https://www.un.org/en/about-us/non-member-states" ], "membershipSnapshot": { "unMemberCodes": [ "AD", "AE", "AF", "AG", "AL", "AM", "AO", "AR", "AT", "AU", "AZ", "BA", "BB", "BD", "BE", "BF", "BG", "BH", "BI", "BJ", "BN", "BO", "BR", "BS", "BT", "BW", "BY", "BZ", "CA", "CD", "CF", "CG", "CH", "CI", "CL", "CM", "CN", "CO", "CR", "CU", "CV", "CY", "CZ", "DE", "DJ", "DK", "DM", "DO", "DZ", "EC", "EE", "EG", "ER", "ES", "ET", "FI", "FJ", "FM", "FR", "GA", "GB", "GD", "GE", "GH", "GM", "GN", "GQ", "GR", "GT", "GW", "GY", "HN", "HR", "HT", "HU", "ID", "IE", "IL", "IN", "IQ", "IR", "IS", "IT", "JM", "JO", "JP", "KE", "KG", "KH", "KI", "KM", "KN", "KP", "KR", "KW", "KZ", "LA", "LB", "LC", "LI", "LK", "LR", "LS", "LT", "LU", "LV", "LY", "MA", "MC", "MD", "ME", "MG", "MH", "MK", "ML", "MM", "MN", "MR", "MT", "MU", "MV", "MW", "MX", "MY", "MZ", "NA", "NE", "NG", "NI", "NL", "NO", "NP", "NR", "NZ", "OM", "PA", "PE", "PG", "PH", "PK", "PL", "PT", "PW", "PY", "QA", "RO", "RS", "RU", "RW", "SA", "SB", "SC", "SD", "SE", "SG", "SI", "SK", "SL", "SM", "SN", "SO", "SR", "SS", "ST", "SV", "SY", "SZ", "TD", "TG", "TH", "TJ", "TL", "TM", "TN", "TO", "TR", "TT", "TV", "TZ", "UA", "UG", "US", "UY", "UZ", "VC", "VE", "VN", "VU", "WS", "YE", "ZA", "ZM", "ZW" ], "observerStateCodes": [ "PS", "VA" ] }, "exclusions": { "cldrSpecialCodes": [ "AC", "CP", "CQ", "DG", "EA", "IC", "TA", "XK" ], "note": "The ISO countries and areas pool is the 248 alpha-coded M49 entries plus TW; CLDR-only special/private codes are not treated as ISO 3166-1 entries." }, "probabilityNotes": { "firstDraw": "For N eligible entries, each entry has probability 1/N.", "orderedWithoutReplacement": "For an ordered batch of k entries without replacement, each valid sequence has probability 1/(N × (N-1) × … × (N-k+1))." }, "regressionVectors": [ { "algorithm": "rcg-seeded-v1", "input": "seed class-7 over the first ten ISO alpha-2 sorted records", "firstFiveIds": [ "ar", "ad", "ae", "al", "aq" ] } ], "changelog": [ { "version": "countries-2026-08", "date": "2026-08-23", "changes": [ "Initial local snapshot.", "Added the 193-member, 195-state and 249 ISO countries/areas pools.", "Added nine CLDR-localized name sets and local MIT-licensed SVG flags." ] } ] }