Jamaica
250 sq km (2002)

Jan Mayen
0 sq km

Japan
25,920 sq km (2003)

Jarvis Island
0 sq km

Jersey
NA

Johnston Atoll
0 sq km

Jordan
750 sq km (2003)

Juan de Nova Island
0 sq km

Kazakhstan
35,560 sq km (2003)

Kenya
1,030 sq km (2003)