North Korea
Population: 25950000
Region: Asia
Capital: Pyongyang
Romania
Population: 19036031
Region: Europe
Capital: Bucharest
Suriname
Population: 616500
Region: Americas
Capital: Paramaribo
American Samoa
Population: 49710
Region: Oceania
Capital: Pago Pago
Nepal
Population: 29911840
Region: Asia
Capital: Kathmandu
Chad
Population: 19340757
Region: Africa
Capital: N'Djamena
Serbia
Population: 6567783
Region: Europe
Capital: Belgrade
