| Across |
| 2. |
a person who arrives to another country |
| 6. |
when people move from one place to another |
| 8. |
% of people who had just been given birth |
| 9. |
a person who moves out of a country |
| 10. |
when the birthrate and deathrate are equal |
| 11. |
numbers of different individuals |
| 12. |
the studies of human populations |
| 15. |
the introduction to machinery during 1760-1840 |
| 16. |
a factor that encourages people to leave their own place |
| 18. |
the actual production of offspring |
| 19. |
humans that hunted animals and gathered fruits 10,000 years ago |
| 20. |
how many people in an area |
| 22. |
a place where people live |
| 24. |
the increase of people living in urban areas |
| 25. |
a person living outside their own country because of war/persecution |
