Ageing, population, AIDS face humanity
(China Daily)
Updated: 2005-07-26 06:24

Increasing life expectancy is the other driver in the aging process with people in rich countries expected to live to an average of 82 years by 2050 compared to 76 years today, according to UN figures.

In the 50 least developed countries average lifespan is also expected to rise from 51 to 67, a figure which is conditional on the implementation of government programmes to treat HIV-infected people and stop the spread of the virus.

Life expectancy in southern Africa, which has the highest HIV infection rate in the world, has fallen from 62 years in 1990-95 to 48 years in 2000-05. It is set to drop further " to 43 years over the next decade" before a slow recovery starts.

Some 3 million people died of AIDS related illnesses in 2004 while 5 million people became infected taking the global total to 40 million.

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