The participation of women in Japan's workforce is very low by developed nation standards. Women make up 2.9 per cent of manager-level and higher positions at Japanese companies employing 5,000 or more people.
Abe wants to increase the number of women in jobs at all levels because Japan's population is aging and its workforce is shrinking.
Nissan Chief Executive Carlos Ghosn is advocating that women make up 10 per cent of Nissan's managerial ranks in Japan by 2017.
The proportion of women in management at Nissan in Japan is now 7 per cent, although it's higher for Nissan globally at 10 per cent.
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When asked why he was not as ambitious about empowering women as Abe, Ghosn said he didn't want a negative effect by having women fail as a result of being promoted with insufficient experience, which would be a step backward.
He instead hoped to have women "advancing safely," he said "I'm being conservative. I'm being prudent," Ghosn told the Foreign Correspondents' Club of Japan in Tokyo.
Iceland was No 1, followed by the Scandinavian nations. Germany was 14th and the US 23rd.
Women make up 3.9 per cent of board members of listed Japanese companies, versus 12 per cent in the US and 18 per cent in France, according to the Organisation for Economic Cooperation and Development.
A Brazilian-born Frenchman of Lebanese ancestry, Ghosn was critical of the sexist corporate culture of Japan Inc almost as soon as he arrived in 1999.