Like this:

The chart on 43 shows me that the old people’s population is increased, and the young people’s population is decreased. That’s not means a lot of young people died, but less baby borned than before. People in middle age increased from 1950 to 2000, but decreased from 2000 to 2050. I think that will makes people more busy. Because they have to look after older people like their father and mother, and they must take care of their children too.
Chart on 45 shows me that people in wealthier countries have much better condition to live. They have clearn water and enough doctor. All of that can make them live with health. But the situation in poorer countries is quite different. Half of people in poorer countries have no clean water to drink. And two third of them have no chance to see a doctor when they get ill. 12% children will die before age 5.

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