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Dataset

geoBoundaries gbOpen — African administrative divisions ADM0-ADM2

Updated July 28, 2026 vobservatory/2026-07-28
Coverage
2005-01-01 — 2022-01-01
Region
West Africa
Access
Open
License
CC-BY-4.0

Description

geoBoundaries gbOpen — African administrative divisions ADM0-ADM2. Collected from geoBoundaries (William & Mary geoLab) (academic) on a quarterly cadence. 160 records spanning 2005-01-01 to 2022-01-01, covering GMB, SLE, CPV, BFA, TGO, MRT, LBR, BEN, GNB, NER, CIV, GIN, MLI, NGA, SEN, GHA. Evidence is content-addressed: every record carries a SHA-256 hash of the exact bytes retrieved, the source URL, the date the source published it and the date it was fetched.
geoBoundaries gbOpen — African administrative divisions ADM0-ADM2 — 54 countries shaded by number of boundary polygons held (max 774)

Data preview

Administrative boundary layers — feature counts are polygon counts

countrylayerlevelpolygonsvintagelicence
AGOAngola012021Creative Commons Attribution-ShareAlike 2.0
AGOAngola1182021Public Domain
AGOAngola21572006Public Domain
BDIBurundi012006Public Domain
BDIBurundi1182014CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
BDIBurundi21192007Public Domain

Showing 6 of 160 records.

Methodology

Content-addressed collection (SHA-256). Evidence class: secondary / republisher. Cadence: quarterly.

Variables & Indicators

records: 160 temporal span: 2005-01-01 to 2022-01-01 countries covered: 16 data kind: geo evidence class: secondary licence: CC-BY-4.0 republishable: yes top countries: GMB (3), SLE (3), CPV (3), BFA (3), TGO (3) record types: admin_boundary_set (160)

quarterlygeo