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 |