IAEA is monitoring Japan's efforts to decommission the Fukushima Daiichi plant after a 2011 earthquake-triggered tsunami killed 18,000 people and set off the worst nuclear disaster since Chernobyl

Nearly 250,000 people have been told to leave their homes amid fears of further quakes in Japan, an aid agency says.

New census figures in Japan show the population has shrunk by nearly one million in the past five years, in the first decline registered since 1920.

A Japanese fisherman has reeled in a huge wolfish and it is raising concerns about the effects that the Fukushima nuclear disaster in 2011 has had on the environment, reports Yahoo News.

The world's oldest man, Japanese supercentenarian Sakari Momoi, has died in Tokyo at the age of 112.

Japan survives surprisingly well without nuclear power for last four years.Following the Fukushima disaster in March 2011 all of Japan's 48 other nuclear reactors were shut down.