ucdp

Ucdp

Name: Ucdp
Creator: Ucdp

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.

Coverage

Series catalogued

1,709

Temporal coverage

1946-12-31 – 2023-12-31

Licensing & provenance

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

How to cite

Uppsala Conflict Data Program (UCDP), Uppsala University. Retrieved from https://ucdp.uu.se. Compiled and redistributed by the Elkassabgi Data Library.

Processing: Retrieved from the official source, normalized to a long {series_key, obs_date, value} schema (period-start dates), de-duplicated, and stored as zstd Parquet. Compiled and redistributed by the Elkassabgi Data Library.

Access & mirrors

Download: Select & download ucdp series as CSV →
API: Get a free API key, then GET /v1/series/<id>.csv
Canonical landing: https://econdatalibrary.com/ucdp.html
Update cadence: annual
Update strategy: bulk snapshot if changed
Storage layout: single parquet: data/clean_full/ucdp/acd.parquet (29 KB). Schema: series_key (string), obs_date (date32), value (float64). Keys: UCDP:ACD:{var}:{conflict_id} and country-year aggregates UCDP:ACD:{n_conflicts|max_intensity|is_war|...}:{gwno}.

Structured metadata

schema.org/Dataset (Google Dataset Search)

{
  "@context": "https://schema.org/",
  "@type": "Dataset",
  "name": "Ucdp",
  "description": "Ucdp — dataset catalogued in the Econ Data Library.",
  "url": "https://econdatalibrary.com/ucdp.html",
  "identifier": "ucdp",
  "isAccessibleForFree": false,
  "publisher": {
    "@type": "Organization",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com"
  },
  "creator": {
    "@type": "Organization",
    "name": "Ucdp"
  },
  "keywords": [
    "ucdp"
  ],
  "temporalCoverage": "1946-12-31/2023-12-31",
  "citation": "Uppsala Conflict Data Program (UCDP), Uppsala University. Retrieved from https://ucdp.uu.se. Compiled and redistributed by the Elkassabgi Data Library.",
  "sameAs": [
    "https://huggingface.co/datasets/econdatalibrary-ucdp",
    "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": "ucdp",
  "description": "Ucdp — catalogued in the Econ Data Library.",
  "url": "https://econdatalibrary.com/ucdp.html",
  "creator": {
    "@type": "sc:Organization",
    "name": "Ucdp"
  },
  "publisher": {
    "@type": "sc:Organization",
    "name": "Econ Data Library",
    "url": "https://econdatalibrary.com"
  },
  "temporalCoverage": "1946-12-31/2023-12-31",
  "citation": "Uppsala Conflict Data Program (UCDP), Uppsala University. Retrieved from https://ucdp.uu.se. Compiled and redistributed by the Elkassabgi Data Library.",
  "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