| Attribute |
Nigeria × | 
Chad × |
| Geography | | |
| Area (km²) | 923,768 | 1,284,000 |
| Continent | Africa | Africa |
| Land area (km²) | 910,768 | 1,259,200 |
| Water area (km²) | 13,000 | 24,800 |
| Land boundaries (km) | 4,477 | 6,406 |
| Border countries | - Benin
- Cameroon
- Chad
- Niger
| - Cameroon
- Central African Republic
- Libya
- Niger
- Nigeria
- Sudan
|
| Coastline (km) | 853 | 0 |
| Mean elevation (m) | 380 | 543 |
| Lowest point (m) | 0 | 160 |
| Highest point (m) | 2,419 | 3,445 |
| People | | |
| Population | 214,028,302 | 16,877,357 |
| Official languages | | |
| Religion | Muslim | Muslim |
| Government | | |
| Long country name | Federal Republic of Nigeria | Republic of Chad |
| Short country name | Nigeria | Chad |
| Long local name | - | Republique du Tchad/Jumhuriyat Tshad |
| Short local name | - | Tchad/Tshad |
| Government type | Federal presidential republic | Presidential republic |
| Capital | Abuja | N'Djamena |
| Economy | | |
| GDP (PPP) (USD) | 1,121,000,000,000 | 28,620,000,000 |
| GDP (OER) (USD) | 376,400,000,000 | 9,872,000,000 |
| GDP (real growth rate) (%) | 0.8 | -3.1 |
| GDP - per capita (PPP) (USD) | 5,900 | 2,300 |
| Gross national saving (% of GDP) | 18.2 | 15.5 |
| Labor force | 60,080,000 | 5,654,000 |
| Unemployment rate (%) | 16.5 | - |
| Population below poverty line (%) | 70 | 46.7 |
| Budget revenues (USD) | 12,920,000,000 | 1,337,000,000 |
| Budget expenditures (USD) | 19,540,000,000 | 1,481,000,000 |
| Military expenditures (% of GDP) | 0.51 | 2.13 |
| Taxes and other revenues (% of GDP) | 3.4 | 13.5 |
| Budget surplus or deficit (% of GDP) | -1.8 | -1.5 |
| Public debt (% of GDP) | 21.8 | 52.5 |
| Inflation rate (%) | 16.5 | -0.9 |
| Central bank discount rate (%) | 4.25 | 4.25 |
| Commercial bank prime lending rate (%) | 17.58 | 15.5 |
| Stock of narrow money (USD) | 36,130,000,000 | 1,397,000,000 |
| Stock of broad money (USD) | 36,130,000,000 | 1,397,000,000 |
| Stock of domestic credit (USD) | 84,660,000,000 | 2,681,000,000 |
| Market value of publicly traded shares (USD) | 53,070,000,000 | - |
| Current account balance (USD) | 10,380,000,000 | -558,000,000 |
| Exports (USD) | 1,146,000,000 | 2,464,000,000 |
| Imports (USD) | 32,670,000,000 | 2,160,000,000 |
| Reserves of foreign exchange and gold (USD) | 38,770,000,000 | 22,900,000 |
| External debt (USD) | 40,960,000,000 | 1,724,000,000 |
| National currency | nairas | Cooperation Financiere en Afrique Centrale francs |
| National currency (code) | NGN | XAF |
| National currency (symbol) | ₦ | FCFA |
| National currency rate to USD | 323.5 | 605.3 |