<P> Coordinates: 16 ° 10 ′ N 107 ° 50 ′ E ﻿ / ﻿ 16.167 ° N 107.833 ° E ﻿ / 16.167; 107.833 </P> <Table> <Tr> <Th_colspan="2"> Socialist Republic of Vietnam Cộng hòa xã hội chủ nghĩa Việt Nam (Vietnamese) </Th> </Tr> <Tr> <Td_colspan="2"> Flag Emblem </Td> </Tr> <Tr> <Td_colspan="2"> Motto: Độc lập--Tự do--Hạnh phúc "Independence--Freedom--Happiness" </Td> </Tr> <Tr> <Td_colspan="2"> Anthem: Tiến Quân Ca (English: "Army March") </Td> </Tr> <Tr> <Td_colspan="2"> Location of Vietnam (green) <P> in ASEAN (dark grey)--(Legend) </P> </Td> </Tr> <Tr> <Th> Capital </Th> <Td> Hanoi 21 ° 2 ′ N 105 ° 51 ′ E ﻿ / ﻿ 21.033 ° N 105.850 ° E ﻿ / 21.033; 105.850 </Td> </Tr> <Tr> <Th> Largest city </Th> <Td> Ho Chi Minh City </Td> </Tr> <Tr> <Th> Official language and national language </Th> <Td> Vietnamese </Td> </Tr> <Tr> <Th> Ethnic groups </Th> <Td> <Ul> <Li> 85.7% Vietnamese </Li> <Li> 53 minorities (show) <Ul> <Li> 1.9% Tay </Li> <Li> 1.8% Tai </Li> <Li> 1.5% Mường </Li> <Li> 1.5% Khmer </Li> <Li> 1.2% Hmong </Li> <Li> 1.1% Nùng </Li> <Li> 1% Hoa </Li> <Li> 4.3% Others </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Th> Religion </Th> <Td> <Ul> <Li> 73.2% Folk or Irreligious </Li> <Li> 12.2% Buddhism </Li> <Li> 8.3% Christianity </Li> <Li> 4.8% Caodaism </Li> <Li> 1.4% Hoahaoism </Li> <Li> 0.1% Other religions </Li> </Ul> </Td> </Tr> <Tr> <Th> Demonym </Th> <Td> Vietnamese </Td> </Tr> <Tr> <Th> Government </Th> <Td> Marxist - Leninist one - party socialist republic </Td> </Tr> <Tr> <Th> General Secretary </Th> <Td> Nguyễn Phú Trọng </Td> </Tr> <Tr> <Th> President </Th> <Td> Trần Đại Quang </Td> </Tr> <Tr> <Th> Prime Minister </Th> <Td> Nguyễn Xuân Phúc </Td> </Tr> <Tr> <Th> Chairwoman of National Assembly </Th> <Td> Nguyễn Thị Kim Ngân </Td> </Tr> <Tr> <Th> Legislature </Th> <Td> National Assembly </Td> </Tr> <Tr> <Th_colspan="2"> Formation </Th> </Tr> <Tr> <Th> Independence from France </Th> <Td> 2 September 1945 </Td> </Tr> <Tr> <Th> Geneva Accords </Th> <Td> 21 July 1954 </Td> </Tr> <Tr> <Th> Reunification </Th> <Td> 2 July 1976 </Td> </Tr> <Tr> <Th> Admitted to the United Nations </Th> <Td> 20 September 1977 </Td> </Tr> <Tr> <Th> ASEAN Declaration </Th> <Td> 28 July 1995 </Td> </Tr> <Tr> <Th> Current constitution </Th> <Td> 28 November 2013 </Td> </Tr> <Tr> <Th_colspan="2"> Area </Th> </Tr> <Tr> <Th> Total </Th> <Td> 331,230.8 km (127,888.9 sq mi) (65th) </Td> </Tr> <Tr> <Th> Water (%) </Th> <Td> 6.4 </Td> </Tr> <Tr> <Th_colspan="2"> Population </Th> </Tr> <Tr> <Th> 2016 estimate </Th> <Td> 94,569,072 (14th) </Td> </Tr> <Tr> <Th> Density </Th> <Td> 276.03 / km (714.9 / sq mi) (46th) </Td> </Tr> <Tr> <Th> GDP (PPP) </Th> <Td> 2017 estimate </Td> </Tr> <Tr> <Th> Total </Th> <Td> $648.243 billion (35th) </Td> </Tr> <Tr> <Th> Per capita </Th> <Td> $6,925 (128th) </Td> </Tr> <Tr> <Th> GDP (nominal) </Th> <Td> 2017 estimate </Td> </Tr> <Tr> <Th> Total </Th> <Td> $215.829 billion (47th) </Td> </Tr> <Tr> <Th> Per capita </Th> <Td> $2,305 (129th) </Td> </Tr> <Tr> <Th> Gini (2014) </Th> <Td> 37.6 medium </Td> </Tr> <Tr> <Th> HDI (2015) </Th> <Td> 0.683 medium 115th </Td> </Tr> <Tr> <Th> Currency </Th> <Td> đồng (₫) (VND) </Td> </Tr> <Tr> <Th> Time zone </Th> <Td> (UTC + 7) </Td> </Tr> <Tr> <Th> Date format </Th> <Td> dd / mm / yyyy </Td> </Tr> <Tr> <Th> Drives on the </Th> <Td> right </Td> </Tr> <Tr> <Th> Calling code </Th> <Td> + 84 </Td> </Tr> <Tr> <Th> ISO 3166 code </Th> <Td> VN </Td> </Tr> <Tr> <Th> Internet TLD </Th> <Td>. vn </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Socialist Republic of Vietnam Cộng hòa xã hội chủ nghĩa Việt Nam (Vietnamese) </Th> </Tr>

When did north vietnam unify with the south