In 2010, an estimated 524 million people were
#% &'
population. By 2050, this number is expected to
nearly triple to about 1.5 billion, representing
*#
more developed countries have the oldest
+
older people—and the most rapidly aging
populations—are in less developed countries.
Between 2010 and 2050, the number of older
people in less developed countries is projected to
increase more than 250 percent, compared with
a 71 percent increase in developed countries.