从下面的图标，我们可以看出：在1980年出生的人数大约有22到23之间

From the icon below, we can see that: the number of people born in 1980, approximately between 22-23, 24 were in persons born in 1990, born in 2000 in the number of 27 people. <br>We can see from the chart: Number of 1990 more than the number of people born in born in 1980, the number of people born in 2000 and more than the number of people born in 1990, I think the main reason is to improve people's living standards , the society has become better and better, people are better able to raise the next generation, so will happen.

From the following icon, we can see that there were about 22 to 23 births in 1980, 24 in 1990 and 27 in 2000.<br> From the chart we can see: from the number of births in 1990 than in 1980, the number of births in 2000 than in 1990, I think the main reason is that people's living standards have improved, society is getting better, people are better able to raise the next generation, That's why this happens.

From the following icons, we can see that between 22 and 23 people were born in 1980, 24 in 1990 and 27 in 2000.<br>From the chart, we can see that: the number of people born in 1990 is more than that in 1980, and the number of people born in 2000 is more than that in 1990. I think the main reason is that people's living standards have improved, the society has become better and better, and people can better raise the next generation, so this is the case.<br>