{
  "dataset_name": "Glottolog Languoid Catalog",
  "last_updated": "2026-01-15",
  "source": "Glottolog database (glottolog.org) - comprehensive reference for the world's languages",
  "record_count": 23740,
  "fields": {
    "id": "Unique Glottolog identifier code (glottocode, e.g., 'aala1237')",
    "family_id": "Glottocode of the language family this languoid belongs to",
    "parent_id": "Glottocode of the immediate parent node in the classification tree",
    "name": "Name of the languoid (language, dialect, or family)",
    "bookkeeping": "Boolean flag for bookkeeping entries (non-linguistic administrative records)",
    "level": "Classification level: 'family', 'language', or 'dialect'",
    "status": "Endangerment status (e.g., 'safe', 'shifting', 'moribund', 'extinct')",
    "latitude": "Geographic latitude of the language area centroid",
    "longitude": "Geographic longitude of the language area centroid",
    "iso639P3code": "ISO 639-3 language code if available",
    "description": "Additional description text",
    "markup_description": "Description with markup formatting",
    "child_family_count": "Number of child family nodes in the classification tree",
    "child_language_count": "Number of child language nodes",
    "child_dialect_count": "Number of child dialect nodes",
    "country_ids": "Comma-separated ISO 3166-1 alpha-2 country codes where the language is spoken"
  },
  "notes": "Glottolog is a comprehensive catalog of the world's languages, language families, and dialects. Each row is a 'languoid' which can be a family, language, or dialect. The hierarchical tree structure is encoded via parent_id references. Includes both living and extinct languages."
}