Coverage & match quality
PSGC ↔︎ NAMRIA polygon coverage and match-quality statistics per administrative level for the curated Philippine boundaries GeoJSON (snapshot 2023-10-24).
Coverage measures how completely NAMRIA polygons were enriched with canonical PSGC codes. The headline figure for snapshot 2023-10-24 is 99.945% PSGC ↔︎ NAMRIA pcode match.
Coverage by level
| Level | File | Features | Matched | Coverage |
|---|---|---|---|---|
| ADM0 | adm0.geojson |
1 | 1 | 100.000% |
| ADM1 Region | adm1.geojson |
17 | 17 | 100.000% |
| ADM2 Province | adm2.geojson |
88 | 88 | 100.000% |
| ADM3 Municipality/City | adm3.geojson |
1,626 | 1,624 | 99.877% |
| ADM4 Barangay | adm4.geojson |
41,825 | 41,803 | 99.947% |
Per-class extracts (hierarchical) split cities by class (highly urbanized, independent component, component) and separate special geographic areas.
Per-level detail
Per-level coverage breakdowns live on each per-class page: barangays · municipalities · cities · provinces · regions.
Known gaps
~198 PSGC barangays (mostly in BARMM and Metro Manila) — and ~230 PSGC entities in total — have no NAMRIA polygon.
6 features could not be resolved to a PSGC entity (
unresolved.geojson).1 component city (City of Isabela, Basilan) has no NAMRIA polygon.
For how match confidence (exact / huc_map / fuzzy) is assigned, see feature properties and the HUC mapping reference.