Caio vs Cairo
Side-by-side comparison of Caio and Cairo - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Caio | Cairo |
| Current Rank | #3751 | #355 |
| Total Births (all years) | 722 | 9,415 |
| Peak Year | 2023 | 2022 |
| Peak Year Births | 40 | 1,101 |
| Peak Decade | 2010s | 2020s |
| Gender | Boy | Boy |
| First Recorded Year | 1990 | 1979 |
Births by Decade
| Decade | Caio | Cairo |
| 1970s | - | 6 |
| 1980s | - | 18 |
| 1990s | 73 | 97 |
| 2000s | 209 | 344 |
| 2010s | 250 | 2,987 |
| 2020s | 190 | 5,963 |
Recent Annual Births (2014–present)
| Year | Caio | Cairo |
| 2014 | 21 | 173 |
| 2015 | 23 | 223 |
| 2016 | 11 | 267 |
| 2017 | 24 | 404 |
| 2018 | 32 | 543 |
| 2019 | 34 | 976 |
| 2020 | 24 | 918 |
| 2021 | 32 | 1,020 |
| 2022 | 29 | 1,101 |
| 2023 | 40 | 1,010 |
| 2024 | 30 | 949 |
| 2025 | 35 | 965 |