Theory Popularity by Year
Follow Theory across every available national year. Rankings and birth counts remain separated by the source dataset’s girl and boy categories.
Theory 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 | 10 | #7,679 | Up 2,215 places |
| 2025 | Girls | 20 | #5,917 | Up 1,015 places |
| 2024 | Boys | 7 | #9,894 | Down 973 places |
| 2024 | Girls | 16 | #6,932 | Down 972 places |
| 2023 | Boys | 8 | #8,921 | Down 3,047 places |
| 2023 | Girls | 20 | #5,960 | Up 504 places |
| 2022 | Boys | 15 | #5,874 | Up 824 places |
| 2022 | Girls | 18 | #6,464 | Down 50 places |
| 2021 | Boys | 12 | #6,698 | Up 3,907 places |
| 2021 | Girls | 18 | #6,414 | Up 4,676 places |
| 2020 | Boys | 6 | #10,605 | Down 1,786 places |
| 2020 | Girls | 8 | #11,090 | Up 266 places |
| 2019 | Girls | 8 | #11,356 | Up 1,108 places |
| 2018 | Boys | 8 | #8,819 | Down 3 places |
| 2018 | Girls | 7 | #12,464 | Up 3,438 places |
| 2017 | Girls | 5 | #15,902 | Down 4,121 places |
| 2016 | Boys | 8 | #8,816 | Up 752 places |
| 2016 | Girls | 8 | #11,781 | Up 1,225 places |
| 2015 | Boys | 7 | #9,568 | Up 2,663 places |
| 2015 | Girls | 7 | #13,006 | Down 1,075 places |
| 2014 | Girls | 8 | #11,931 | Down 931 places |
| 2013 | Girls | 9 | #11,000 | Up 1,199 places |
| 2012 | Girls | 8 | #12,199 | Up 4,969 places |
| 2010 | Boys | 5 | #12,231 | Down 1,237 places |
| 2009 | Boys | 6 | #10,994 | — |
| 2006 | Girls | 5 | #17,168 | — |