Final answer:
Looking at the age structure diagrams for 2019 and 2050, we can conclude that young people in China will be responsible for taking care of a large aging population. However, we cannot conclude that people in the reproductive age range will have larger numbers of children to care for or that China's two-child policy will result in an increase in the overall number of children. There is no mention of high rates of unemployment.
Step-by-step explanation:
Looking at the age structure diagrams for 2019 and 2050, we can conclude that young people in China will be responsible for taking care of a large aging population. This is because the percentage of people above age sixty in China is expected to increase dramatically, with nearly a third of the population being age sixty or older by 2050. As a result, the labor force will be burdened, and this will impact China's economic growth.
However, we cannot conclude that people in the reproductive age range will have larger numbers of children to care for or that China's two-child policy will result in an increase in the overall number of children. The information provided does not give any indication of changes in the reproductive behavior or the impact of the two-child policy.
There is no mention of high rates of unemployment in relation to the age structure diagrams for China in the given information. Therefore, we cannot conclude that there will be high rates of unemployment in China over the next 30 years.