Kai vs Nadja
Kai and Nadjacompared 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 2004, Kai was ranked #1252 and Nadja #4598 among girls in England and Wales.
Side by side
| Field | Kai | Nadja |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | male | female |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | 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 | GB-ENW, NO |
| Most recent popularity observation | New South Wales, Australia · Boys #23 (2025) | Norway · Girls #565 (2016) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Kai has 1 syllable, compared with 2 for Nadja.
- Both names have recorded usage in GB-ENW, NO.
How each name got here
Kai
Popularity journey
First recorded1945
First recorded at #76 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded2002–2025
Highest recorded position: #20 among boys in New South Wales, Australia, in 2023 (recorded 2002–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #23 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys
Nadja
Popularity journey
First recorded1955
First recorded at #438 among girls in Norway in 1955 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1955–2016
Highest recorded position: #315 among girls in Norway, in 1996 (recorded 1955–2016).
Norway · Girls
Most recent2016
Most recently recorded at #565 among girls in Norway, in 2016.
Norway · Girls