Mia vs Sonja
Mia and Sonjacompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.
Head to head
Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.
England and Wales · Girls
In 2020, Mia was ranked #5 and Sonja #3899 among girls in England and Wales.
Republic of Ireland · Girls
In 2012, Mia was ranked #6 and Sonja #907 among girls in Republic of Ireland.
Norway · Girls
In 2025, Mia was ranked #21 and Sonja #35 among girls in Norway.
Mia and Sonja over time
Mia and Sonja appear together in 2 published lists, across 90 years of shared records. Mia held the stronger position in more years in 2 of them, Sonja in 0.
The order between them changed and held in one of those lists — a change in that published list, never a claim that one name displaced the other.
Each reached its own highest recorded position first in 1 of the lists they share.
Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.
How this pair is related
The relationship kinds these two qualify for, each under its own stated rule. Every one is drawn from a list they both appear in.
- Mirrored each other
Over 21 shared years in England and Wales · Girls, Mia rose about as far as Sonja fell — from #116 and #2096 in 1996 to #5 and #3899 in 2020.
- Longest-running competitions
Mia and Sonja were both ranked in Norway · Girls for 69 years, from 1947 to 2025, ending at #21 and #35.
List by list
Norway · Girls69 shared years, 1947–2025
Mia held the stronger position in 43 of those years, Sonja in 26.
Highest recorded here: Mia #8 in 2011, Sonja #35 in 2025.
The order changed in 1983: Mia moved ahead. In 1982 they stood at #257 and #204; by 1983 that had become #205 and #255.
Most recent shared year, 2025: Mia #21, Sonja #35.
England and Wales · Girls21 shared years, 1996–2020
Mia held the stronger position in 21 of those years, Sonja in 0.
Highest recorded here: Mia #5 in 2019, Sonja #1970 in 1999.
The order between them never changed and held in this list.
Most recent shared year, 2020: Mia #5, Sonja #3899.
Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.
Side by side
| Field | Mia | Sonja |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | female | female |
| Meaning | Directly a diminutive of Maria. | Not yet recorded |
| Origin | Scandinavian/Italian, via Maria | Not yet recorded |
| Pronunciation | /ˈmiːə/ | Not yet recorded |
| Syllables | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | GB-ENW, IE, NO |
| Most recent popularity observation | New South Wales, Australia · Girls #5 (2025) | Norway · Girls #35 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Mia has a recorded origin (Scandinavian/Italian, via Maria); Sonja does not have one recorded yet.
- Mia has 1 syllable, compared with 2 for Sonja.
- A meaning is recorded for Mia; Sonja doesn't have one written yet.
- Both names have recorded usage in GB-ENW, IE, NO.
How each name got here
Mia
Popularity journey
First recorded1947
First recorded at #357 among girls in Norway in 1947 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1997–2025
Highest recorded position: #2 among girls in New South Wales, Australia, in 2008 (recorded 1997–2025).
New South Wales, Australia · Girls
Most recent2025
Most recently recorded at #5 among girls in New South Wales, Australia, in 2025.
New South Wales, Australia · Girls
Sonja
Popularity journey
First recorded1945
First recorded at #44 among girls in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1945–2025
Highest recorded position: #35 among girls in Norway, in 2025 (recorded 1945–2025).
Norway · Girls
Most recent2025
Most recently recorded at #35 among girls in Norway, in 2025.
Norway · Girls