Gun Control - Japan, My Perfect Country Boxset

Futons and martial arts-trained police play a part in Japan's low gun crime. Just one person was killed with a gun in 2015 – a mob crime boss – and in the same year, just six shots were fired by the nation's law enforcers.

A pacifist culture and stringent tests, inspections and penalties also contribute to the absence of gun violence.

Find more innovative ideas from the first series go to www.bbcworldservice.com/perfectcountry