Jamaica

Location: Caribbean
Population: 2,695,867
Capital: Kingston
Language: English
Currency: Jamaican dollar

Japan (Airports don't count!)

Location: Eastern Asia
Population: 127,214,499
Capital: Tokyo
Language: Japanese
Currency: yen

Jordan

Location: Middle East
Population: 5,460,265
Capital: Amman
Language: Arabic
Currency: Jordanian dinar

Kazakhstan

Location: Central Asia
Population: 16,763,795
Capital: Astana
Language: Kazakh and Russian
Currency: tenge

Kenya

Location: Eastern Africa
Population: 31,639,091
Capital: Nairobi
Language: English and Kiswahili
Currency: Kenyan shilling

Kiribati

Location: Oceania
Population: 98,549
Capital: Tarawa
Language: I-Kiribati and English
Currency: Australian dollar

North Korea

Location: Eastern Asia
Population: 22,466,481
Capital: Pyongyang
Language: Korean
Currency: North Korean won

South Korea

Location: Eastern Asia
Population: 48,289,037
Capital: Seoul
Language: Korean and English
Currency: South Korean won

Kuwait

Location: Middle East
Population: 2,183,161
Capital: Kuwait
Language: Arabic
Currency: Kuwaiti dinar

Kyrgyzstan

Location: Central Asia
Population: 4,892,808
Capital: Bishkek
Language: Kyrgyz and Russian
Currency: Kyrgyzstani som