Recorded live births (t + 1): correspond to live births occurred in the year of study, and registered until December 31 of the following year.
| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sierra | 127 971 | 130 446 | 130 292 | 123 860 | 122 623 | 123 493 | 122 089 | 122 271 | 121 556 | 117 404 | 107 245 |
| Costa | 145 455 | 150 657 | 145 876 | 134 724 | 136 811 | 139 494 | 135 853 | 147 131 | 151 259 | 148 292 | 140 437 |
| Amazónica | 18 499 | 19 486 | 20 595 | 18 573 | 18 563 | 19 845 | 19 011 | 21 409 | 20 753 | 19 857 | 17 349 |
| Insular | 404 | 434 | 463 | 395 | 332 | 377 | 396 | 388 | 380 | 436 | 406 |