I Choose 10 countries from these Fertility-GDP data (from the CIA World Factbook).
| Brazil | 1.79 | 12.1 | Americas |
| Burma | 2.18 | 1.7 | Asia Pacific |
| Cambodia | 2.66 | 2.6 | Asia Pacific |
| Canada | 1.59 | 43.1 | Americas |
| Chad | 4.68 | 2.5 | EMEA |
| Chile | 1.84 | 19.1 | Americas |
| China | 1.55 | 9.1 | Asia Pacific |
| Columbia | 2.07 | 11.1 | Americas |
| Congo | 4.73 | 4.8 | EMEA |
| Costa Rica | 1.91 | 12.9 | Americas |
A scatter plot:
