The Tumen River (圖們江, Tumenjiang) is located in Northeast Asia.
It forms the border between China and North Korea in the upper reaches and between North Korea and Russia at the mouth.
The Tumen River originates in the Changbai Mountains and flows 521 km long into the Sea of Japan.
... of 18, 5.0% from 18 to 24, 26.8% from 25 to 44, 27.7% from 45 to 64, and 19.9% who are 65 years of age or older. The median age is 43 years. For every 100 females there ...