Japan's population fell by a record 244,000 in 2013, according to health ministry estimates released on Wednesday, highlighting concerns over an ever-dwindling workforce supporting a growing number of pensioners.
An estimated 1,031,000 babies were born in 2013, down about 6,000 from a year earlier, the ministry said.
On the other hand, around 1,275,000 people died -- up about 19,000 from the previous year, the highest annual rise since World War II.
As a result, the natural population decline came to a record 244,000, the ministry said, beating the previous highest fall of 219,000 in 2012.
Japan's population totalled 126,393,679 as of March 31, down 0.21 percent from a year earlier, according to a government figure.
It has continually declined since 2007 by natural attrition -- deaths minus births.
Japan is rapidly greying, with more than 20 per cent of the population aged 65 or over -- one of the highest proportions of elderly people in the world. The country has very little immigration and any suggestion of opening its borders to young workers who could help plug the population gap provokes strong reactions among the public.
The proportion of people aged 65 or over will reach nearly 40 percent of the population in 2060, according to a 2012 government report.
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