Datasets · trueset

Datasets with record counts, verification method, last update, access and endpoint
Dataset	Records	Verification	Updated	Access	Endpoint
Geopolitical zonesThe six regions Nigeria's states are grouped into	6	VerifiedOfficial document	28 Sep 2026	Free	`/v1/zones`
StatesThe 36 states and the Federal Capital Territory	37	VerifiedOfficial document	28 Sep 2026	Free	`/v1/states`
Local government areasAll 774 LGAs, each linked to its state	774	VerifiedCross-referenced	28 Sep 2026	Free	`/v1/lgas`
LGA boundariesLGA shapes for maps, and for finding which LGA a point is in	774	VerifiedCross-referenced	28 Sep 2026	Key	`/v1/locate`
WardsElectoral wards, each linked to its LGA	8,795	VerifiedCross-referenced	28 Sep 2026	Key	`/v1/wards`
Tertiary institutionsUniversities, polytechnics and colleges	447	VerifiedCommunity	28 Sep 2026	Free	`/v1/institutions`
Health facilitiesHospitals, clinics and primary health centres in every state. Most have coordinates	60,966	VerifiedOfficial document	30 Sep 2026	Key	`/v1/health-facilities`
PopulationPopulation by state and LGA, with the year of each estimate	810	VerifiedOfficial document	28 Sep 2026	Key	`/v1/population`
BanksNigerian banks with their bank codes, checked against CBN's licensed lists	288	VerifiedCross-referenced	30 Sep 2026	Free	`/v1/banks`
Phone prefixesMobile number prefixes and the network each was issued to	40	VerifiedOfficial document	30 Sep 2026	Free	`/v1/phone-prefixes`
Public holidaysFederal public holidays by year	24	VerifiedOfficial document	30 Sep 2026	Free	`/v1/holidays`
Senatorial districtsThe 109 senatorial districts, with the LGAs in each	109	VerifiedCommunity	30 Sep 2026	Key	`/v1/senatorial-districts`
Federal constituenciesThe 360 House of Representatives constituencies, with the LGAs in each	360	VerifiedCommunity	30 Sep 2026	Key	`/v1/federal-constituencies`
Polling unitsEvery INEC polling unit, with its code, ward and LGA	176,846	VerifiedCommunity	30 Sep 2026	Key	`/v1/polling-units`
CountriesEvery country with its ISO codes, currency and calling code	249	VerifiedOfficial document	30 Sep 2026	Free	`/v1/countries`
AirportsAirports worldwide that have an IATA code, with coordinates	8,800	VerifiedCommunity	30 Sep 2026	Free	`/v1/airports`
Exchange ratesDaily naira rates for 13 currencies, with history from 2001 and a converter	62,128	LiveRefreshed automatically	2 Oct 2026	Key	`/v1/exchange-rates`
Crypto pricesPrices for the top coins in US dollars and naira, refreshed every few minutes	50	LiveRefreshed automatically	2 Oct 2026	Key	`/v1/crypto/prices`

Without a key you get names, codes and links from the free datasets. A paid plan adds wards, polling units, senatorial districts, federal constituencies, health facilities, LGA boundaries, population, exchange rates and crypto prices, plus sources and institution details. Compare plans.

Formats

Every list endpoint can return any of these. Add ?format= to the URL or send an Accept header.

JSON

The default, and the only format on the free tier. Use the next value to get the next page.

CSV

Opens in any spreadsheet. The next page cursor comes back in the X-Next header.

GeoJSON

Put LGA boundaries and facility locations straight onto a map. Coordinates are WGS 84.

Parquet

Load straight into DuckDB, pandas or Spark for analysis.

Provenance

Each record includes a verification block, so you can show your users where a value came from and check it yourself.

Verified

Method: Cross-referenced
Verified by: timileyin
Verified at: 2026-09-06T20:05:47Z
Source: src_01M3MZBE2TYZ54M5788NA0F09V
Version: 1

The method is one of: official document, cross-referenced (two independent sources agree), field verified, or community submitted.

JSON

{
  "verification": {
    "status": "verified",
    "method": "cross_referenced",
    "verified_at": "2026-09-06T20:05:47Z",
    "verified_by": "timileyin",
    "source_id": "src_01M3MZBE2TYZ54M5788NA0F09V",
    "retrieved_at": "2026-09-06",
    "version": 1
  }
}

Licences

The raw facts come from openly licensed sources, and their licences still apply. The compiled dataset, codes and API are ours. The terms explain what you can do with each.

Health facilities: GRID3 NGA Health Facilities v3.0, and v2.0 for the 13 states v3.0 does not cover. CC BY 4.0, attributed to GRID3 Nigeria.
LGA boundaries: OCHA COD-AB Nigeria, administrative level 2, CC BY IGO.
Population: OCHA COD-PS Nigeria, CC BY.
Wards and LGAs: INEC public records.
Tertiary institutions: A compiled list of universities, polytechnics and colleges, verified by trueset.
Banks: Paystack's public list of banks and bank codes, checked against the Central Bank of Nigeria's lists of licensed institutions.
Phone prefixes: The NCC's mobile number allocation table.
Public holidays: The Public Holidays Act and Ministry of Interior announcements.
Electoral areas and polling units: INEC's polling unit register.
Countries: The country-codes dataset of ISO country, currency and calling codes. Public domain.
Airports: OurAirports. Public domain.

See every source and when we retrieved it