Sierra Leone Administrative Boundaries from ADM0 to ADM4 Levels

geoBoundaries provides standardized, open-license political administrative boundaries for Sierra Leone. The dataset includes boundaries from national (ADM0) down to local administrative levels (ADM4). It is produced and maintained by the geoBoundaries Global Database of Political Administrative Boundaries Database.

Use Cases

• Mapping administrative regions based on the ADM0-ADM4 hierarchy.
• Joining socio-economic data to standardized geographic units for Sierra Leone.
• Conducting spatial analysis at multiple levels of government detail.

Strengths

• Data is produced and maintained since 2017, indicating ongoing curation.
• Boundaries are standardized and available under an open license (ODbL-1.0).
• Coverage includes five hierarchical administrative levels (ADM0 to ADM4).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified as the last update timestamp is in the future (2026-05-23).

Provenance

Source

geoBoundaries Global Database of Political Administrative Boundaries Database

Freshness

Last updated 2026-05-23 10:47:11.505276

Geography

Sierra Leone