Manga and anime advertising posters on a building in Akihabara, Tokyo Unless something happens to boost Japan's birth rate, its population will shrink by a third between now and 2060. One reason for the lack of babies is the emergence of a new breed of Japanese men, the otaku, who love manga, anime and computers - and sometimes show little interest in sex. Tokyo is the world's largest metropolis a

Japan's Prime Minister Shinzo Abe says other countries want Japan to adopt a more assertive leadership role in Asia to counter the growing power of China. Mr Abe told the Wall Street Journal, external there were "concerns that China was trying to change the status quo by force, rather than by the rule of law". Relations between China and Japan have been strained over recent years. China said on Sa