Io Popularity by Year
Follow Io across every available national year. Rankings and birth counts remain separated by the source dataset’s girl and boy categories.
Io birth-count history
The chart samples long histories for faster loading. The complete table below includes every recorded year.
Complete year-by-year record
| Year | Category | Births | Rank | Change from previous recorded year |
|---|---|---|---|---|
| 2025 | Boys | 5 | #12,008 | Up 231 places |
| 2025 | Girls | 5 | #14,942 | Down 5,326 places |
| 2023 | Boys | 5 | #12,239 | Down 1,376 places |
| 2023 | Girls | 10 | #9,616 | Down 3,152 places |
| 2022 | Boys | 6 | #10,863 | Down 1,309 places |
| 2022 | Girls | 18 | #6,464 | Up 786 places |
| 2021 | Girls | 15 | #7,250 | Up 1,703 places |
| 2020 | Boys | 7 | #9,554 | Up 1,090 places |
| 2020 | Girls | 11 | #8,953 | Up 4,846 places |
| 2019 | Girls | 6 | #13,799 | Down 4,648 places |
| 2018 | Girls | 11 | #9,151 | Up 3,562 places |
| 2017 | Girls | 7 | #12,713 | Down 5,483 places |
| 2016 | Girls | 16 | #7,230 | Up 9,189 places |
| 2015 | Boys | 6 | #10,644 | Down 1,002 places |
| 2015 | Girls | 5 | #16,419 | Down 7,453 places |
| 2014 | Boys | 7 | #9,642 | — |
| 2014 | Girls | 12 | #8,966 | Up 70 places |
| 2013 | Girls | 12 | #9,036 | Up 73 places |
| 2012 | Girls | 12 | #9,109 | Up 2,072 places |
| 2011 | Girls | 9 | #11,181 | Up 3,778 places |
| 2010 | Girls | 6 | #14,959 | Down 2,530 places |
| 2009 | Girls | 8 | #12,429 | Up 5,075 places |
| 2008 | Girls | 5 | #17,504 | Up 132 places |
| 2007 | Girls | 5 | #17,636 | Down 468 places |
| 2006 | Girls | 5 | #17,168 | Down 4,407 places |
| 2004 | Girls | 7 | #12,761 | Up 2,270 places |
| 2000 | Girls | 5 | #15,031 | — |