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 | 65 075 | 66 627 | 66 639 | 63 109 | 62 919 | 63 169 | 62 125 | 62 532 | 61 614 | 59 849 | 54 804 |
| Costa | 74 558 | 76 952 | 74 817 | 68 889 | 70 714 | 71 160 | 69 291 | 75 660 | 77 211 | 75 793 | 72 018 |
| Amazónica | 9 397 | 9 761 | 10 437 | 9 459 | 9 440 | 10 151 | 9 750 | 10 964 | 10 598 | 10 177 | 8 894 |
| Insular | 194 | 212 | 228 | 210 | 171 | 179 | 202 | 213 | 182 | 229 | 218 |