Task 12022/12/17表格
The table below gives information about population of over 60-year-olds in six regions in 2000, and the predicted numbers of population over 60 in 2050. It also shows the world population over 60 in 2000 and 2050. 

Summarise the information by selecting and reporting the main features and make comparisons where relevant.

Write at least 150 words.