7 billion people:top 10 most important

10. Medicines, sanitation, and more health care allow people's life to be last longer than its normally be.
9. More resources are needed for more population. Farmers has to work hard for more food, and maybe for more money.
8. In the year 2045 or earlier than that, Earth will hold more than 9 billion people on the planet, and it won't be able to feed all of them.
7. Forcing of people (women) to reduce or decrease their birth rate in order to be able to survive through the problem.

6. Birthrate will began to drop dramatically if all women are educated about over population and proper way of marriage. They will know how to control the birth control.
5. People should improve their lifestyles and mostly on rural area. They need to have more resources in order to feed everyone in the village. For an example, China use every single fertile area to plant more resources to fix the overpopulation problem.
4. The overpopulation problem cause a migration which leads to a problem that the area people moved, has less resources and some might even live in a slum.
3. Population's death rate began to decrease more and more from better medication and education, also the birth rate start to drop a bit but not as much as the death rate. All of this will cause the overpopulation problem.
2. Most of the overpopulation problem occurs in the countries that are poor such as India.
1. The population of the world increases too much for the world to handle them. More population means more resources needed to be consume, but we might not have enough resources.