Nigeria - Subnational Edge-matched Administrative Boundaries

  • 100+ Downloads
  • This dataset updates: Every year


Related Showcases

There are no showcases for this dataset.

Source Office for the Surveyor General of the Federation of Nigeria (OSGOF), Ehealth, United Nations Cartographic Section (UNCS), and ITOS
Date of Dataset April 05, 2022-September 27, 2022
Updated 5 April 2022
Expected Update Frequency Every year

Derived from the Nigeria - Subnational Administrative Boundaries and adjusted by ITOS to fit the UN Geocartographics 1:1m international boundary set.

Caveats / Comments

The edge-matched layers are subject to the following potential limitations:

Where countries border each other, one or even both boundaries may be less accurate than the original, definitive boundaries. The UN Geospatial Hub boundary is generally of lower quality than the definitive COD-AB layers.

Peripheral polygon feature shapes and the relationship of their areas to those of their internal neighbouring features may be distorted, while internal features are untouched.

Peripheral polygon features may artificially appear to touch different, incorrect features belonging the same country.

File Format