Area: total: 329,560 sq km
land: 325,360 sq km
water: 4,200 sq km
Climate: tropical in south monsoonal in north with hot, rainy season [May to September] and warm, dry season [October to March]
Terrain: low, flat delta in south and north central highlands hilly, mountainous in far north and northwest
Natural resources: phosphates, coal, manganese, bauxite, chromate, offshore oil and gas deposits, forests, hydropower
Population: 86,116,559 [July 2008 est.]
Age structure: 0-14 years: 25.6% [male 11,418,642/female 10,598,184]
15-64 years: 68.6% [male 29,341,216/female 29,777,696]
65 years and over: 5.8% [male 1,925,609/female 3,055,212] [2008 est.]
Nationality: noun: Vietnamese [singular and plural]
adjective: Vietnamese
Ethnic groups: Kinh [Viet] 86.2%, Tay 1.9%, Thai 1.7%, Muong 1.5%, Khome 1.4%, Hoa 1.1%, Nun 1.1%, Hmong 1%, others 4.1% [1999 census]
Languages: Vietnamese [official], English [increasingly favored as a second language], some French, Chinese, and Khmer mountain area languages [Mon-Khmer and Malayo-Polynesian]
Capital: name: Hanoi
geographic coordinates: 21 02 N, 105 51 E
time difference: UTC+7 [12 hours ahead of Washington, DC during Standard Time]
National holiday: Independence Day, 2 September [1945]