vdem

Vdem

Name: Vdem
Creator: Vdem

Metadata onlyLicense under review

Metadata only. This source’s license does not permit redistribution, so we catalog its metadata but do not re-serve the data. Use the provider link to obtain it under the original terms.

Licensing & provenance

License: License under review
Redistribution: Not permitted (metadata only)
Commercial use: Restricted / no
Modification: Permitted

Access & mirrors

Download: Select & download vdem series as CSV →
API: Get a free API key, then GET /v1/series/<id>.csv
Canonical landing: https://econdatalibrary.com/vdem.html
Update cadence: annual
Update strategy: overwrite if changed
Storage layout: two parquet files: data/clean_full/vdem/vdem.parquet (~40.6 MB, the big ~27M-obs core) and vparty.parquet (~4.1 MB). Schema: series_key (string), obs_date date32 (Dec 31 of year), value float64. Keys: VDEM:{variable}:{country_text_id}. (Plus a _vdem_log.txt sidecar.)

Full description

V-Dem (Varieties of Democracy) ingest — downloads vdem.RData from the vdemdata GitHub R package and converts to long-format parquet. V-Dem v16 has ~500 country-years × ~4000 variables = ~27M obs in long format. We download the RData directly from GitHub (no account needed). Source: https://github.com/vdeminstitute/vdemdata (CC BY 4.0 for most indices) Output: data/clean_full/vdem/vdem.parquet (series_key, obs_date, value) Run: python jobs/ingest_vdem.py

Structured metadata

schema.org/Dataset (Google Dataset Search)

{
  "@context": "https://schema.org/",
  "@type": "Dataset",
  "name": "Vdem",
  "description": "V-Dem (Varieties of Democracy) ingest — downloads vdem.RData from the vdemdata GitHub R package and converts to long-format parquet. V-Dem v16 has ~500 country-years × ~4000 variables = ~27M obs in long format. We download the RData directly from GitHub (no account needed). Source:…",
  "url": "https://econdatalibrary.com/vdem.html",
  "identifier": "vdem",
  "isAccessibleForFree": false,
  "publisher": {
    "@type": "Organization",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com"
  },
  "creator": {
    "@type": "Organization",
    "name": "Vdem"
  },
  "keywords": [
    "vdem"
  ],
  "sameAs": [
    "https://huggingface.co/datasets/econdatalibrary-vdem",
    "https://zenodo.org/communities/econdatalibrary"
  ],
  "usageInfo": "Metadata-only catalog entry. This source's license does not permit redistribution, so the data itself is not served here; use the provider link to obtain the data under its terms."
}

Croissant (ML-ready, schema.org JSON-LD)

{
  "@context": {
    "@language": "en",
    "@vocab": "https://schema.org/",
    "cr": "http://mlcommons.org/croissant/",
    "data": {
      "@id": "cr:data",
      "@type": "@json"
    },
    "dataType": {
      "@id": "cr:dataType",
      "@type": "@vocab"
    },
    "sc": "https://schema.org/",
    "conformsTo": "dct:conformsTo",
    "dct": "http://purl.org/dc/terms/"
  },
  "@type": "sc:Dataset",
  "conformsTo": "http://mlcommons.org/croissant/1.0",
  "name": "vdem",
  "description": "V-Dem (Varieties of Democracy) ingest — downloads vdem.RData from the vdemdata GitHub R package and converts to long-format parquet. V-Dem v16 has ~500 country-years × ~4000 variables = ~27M obs in long format. We download the RData directly from GitHub (no account needed). Source:…",
  "url": "https://econdatalibrary.com/vdem.html",
  "creator": {
    "@type": "sc:Organization",
    "name": "Vdem"
  },
  "publisher": {
    "@type": "sc:Organization",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com"
  },
  "isAccessibleForFree": false,
  "usageInfo": "Metadata-only Croissant record; underlying data is not redistributed under this source's license."
}

Part of the Econ Data Library catalog · metadata generated 2026-07-14 from the central registry · browse all datasets