Experts debate pension reforms

The extent of the aging problem the developed – and increasingly the developing – world faces is evident in looking at a few statistics about Japan, which is the world's most rapidly greying population. Japan boasted the developed world's youngest population in 1950, with only 4.9% of its people aged over 65. But by 2015, one in four Japanese will be elderly, making it the oldest and this will rise further to nearly one out of three in 2050. Whereas in 1950, Japan's fertility rate was…