- Capital: Brazzaville
- Language: French, Kituba and Lingala.
- Currency: Central Africa CFA franc (XAF) = 100 centimes.
- People: Bakongo, Sangha, Teke, Mbochi.
- Life Expectancy: Male: 47.94, Female: 50.04.
- Religion: Animist, Roman Catholic.
- Size (sq km): 342,000 (64th) (3.3% water)
- Population: 3,999,000 (125th)
- Population Density per sq km: 12 (204th)
- Country Dialling Code: 242
- Internet Country Code: .cg
- Time Zone: GMT +1
- Voltage Guide: 220 AC, 50 Hz.
- Finance: Traveller's cheques. Limited use of Master Card and Diners Club cards.
- Business Hours: 0700-1400 Mon-Friday, 0700-1200 Saturday.
- GDP (PPP): US$4.58 billion
- GDP (PPP) per Capita: US$1,369
- Personal Safety: Politically volatile and subject to periodic rebellions. Seek latest information at time of visit.