Yamaguchi-gumi’s numbers dropped from about 20,000 at its peak with recent defections further reducing its mafia clout.
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Mystery surrounds responsibility for ‘inappropriate accounting’ after months of investigation into $1.9bn loss cover-up.
While other US allies reacted angrily, Japan’s response to WikiLeaks’ NSA espionage allegations was muted.
The 70th anniversary of the A-bomb attacks troubled by rising military tensions for Japan and its regional neighbours.
Free speech debate rages with some saying outlawing hate-filled protests will only hide the haters.
Research indicates chewing food properly plays a role in brain stimulation, blood circulation and mental health.
Amid a decline in power company profits and rising consumer energy bills, Tokyo eyes a nuclear plant revival.
With polls predicting an easy win for PM Abe and his party, some view Sunday’s vote as a move to solidify power.
![Banri Kaieda, leader of the Democratic Party of Japan, before delivering a campaign speech [AP]](https://www.aljazeera.com/wp-content/uploads/2014/12/2014121365410777734_20.jpeg?resize=270%2C180&quality=80)
Japanese government says nuclear energy is still needed, but environmentalists are wary of another Fukushima.
![A Greenpeace radiation monitoring team checks contamination in Fukushima City [Greenpeace]](https://www.aljazeera.com/wp-content/uploads/2014/11/20141111115920229580_20.jpeg?resize=270%2C180&quality=80)
Japanese engineers face mammoth task of dealing with contaminated water from the nuclear plant disaster.
![TEPCO is preparing to freeze the soil around the damaged reactor buildings to prevent water contamination [TEPCO]](https://www.aljazeera.com/wp-content/uploads/2014/10/2014107105053930734_20.jpeg?resize=270%2C180&quality=80)