Kai vs Noah
Kai and Noahcompared 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.
New South Wales, Australia · Boys
In 2025, Kai was ranked #23 and Noah #1 among boys in New South Wales, Australia.
Norway · Boys
In 2025, Kai was ranked #282 and Noah #1 among boys in Norway.
Scotland · Boys
In 2024, Kai was ranked #56 and Noah #1 among boys in Scotland.
England and Wales · Boys
In 2024, Kai was ranked #72 and Noah #2 among boys in England and Wales.
Northern Ireland · Boys
In 2024, Kai was ranked #69 and Noah #3 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2025, Kai was ranked #34 and Noah #3 among boys in Republic of Ireland.
England and Wales · Girls
In 2024, Kai was ranked #4843 and Noah #1743 among girls in England and Wales.
Kai and Noah over time
Kai and Noah appear together in 6 published lists, across 149 years of shared records. Noah held the stronger position in more years in 6 of them, Kai in 0.
The order between them changed and held in 3 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 3 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.
- One moved ahead of the other
In 2005, Noah moved ahead of Kai in England and Wales · Boys — #62 and #74 the year before became #66 and #51.
- Closest over the longest run
Across 29 shared years in England and Wales · Boys, Kai and Noah averaged 56.7 places apart, ending at #72 and #2.
- Mirrored each other
Over 33 shared years in Norway · Boys, Noah rose about as far as Kai fell — from #176 and #640 in 1990 to #282 and #1 in 2025.
- Longest-running competitions
Kai and Noah were both ranked in Norway · Boys for 33 years, from 1990 to 2025, ending at #282 and #1.
- Peaked in the same years
Both reached their highest recorded position in New South Wales, Australia · Boys within 2 years — Kai #20 in 2023, Noah #1 in 2022.
List by list
Norway · Boys33 shared years, 1990–2025
Kai held the stronger position in 5 of those years, Noah in 28.
Highest recorded here: Kai #176 in 1990, Noah #1 in 2021.
The order changed in 1998: Noah moved ahead. In 1997 they stood at #236 and #274; by 1998 that had become #374 and #345.
Most recent shared year, 2025: Kai #282, Noah #1.
England and Wales · Boys29 shared years, 1996–2024
Kai held the stronger position in 9 of those years, Noah in 20.
Highest recorded here: Kai #56 in 2003, Noah #1 in 2021.
The order changed in 2005: Noah moved ahead. In 2004 they stood at #62 and #74; by 2005 that had become #66 and #51.
Most recent shared year, 2024: Kai #72, Noah #2.
Republic of Ireland · Boys28 shared years, 1997–2025
Kai held the stronger position in 0 of those years, Noah in 28.
Highest recorded here: Kai #30 in 2024, Noah #2 in 2021.
The order between them never changed and held in this list.
Most recent shared year, 2025: Kai #34, Noah #3.
Northern Ireland · Boys27 shared years, 1998–2024
Kai held the stronger position in 5 of those years, Noah in 21.
Highest recorded here: Kai #52 in 2021, Noah #1 in 2018.
The order between them never changed and held in this list.
Most recent shared year, 2024: Kai #69, Noah #3.
New South Wales, Australia · Boys23 shared years, 2002–2025
Kai held the stronger position in 0 of those years, Noah in 23.
Highest recorded here: Kai #20 in 2023, Noah #1 in 2022.
The order between them never changed and held in this list.
Most recent shared year, 2025: Kai #23, Noah #1.
England and Wales · Girls9 shared years, 2013–2024
Kai held the stronger position in 2 of those years, Noah in 7.
Highest recorded here: Kai #3117 in 2020, Noah #1743 in 2024.
The order changed in 2018: Noah moved ahead. In 2017 they stood at #3214 and #4096; by 2018 that had become #4684 and #2499.
Most recent shared year, 2024: Kai #4843, Noah #1743.
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 | Kai | Noah |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Not yet recorded | Commonly interpreted as 'rest' or 'comfort'. |
| Origin | Not yet recorded | Hebrew |
| Pronunciation | Not yet recorded | /ˈnoʊə/ |
| Syllables | 1 | 1 |
| Common variants / nicknames | Not yet recorded | Noa, Noé |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | New South Wales, Australia · Boys #23 (2025) | New South Wales, Australia · Boys #1 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 95/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | high |
What the data shows
- Noah has a recorded origin (Hebrew); Kai does not have one recorded yet.
- Kai and Noah both have 1 syllable.
- A meaning is recorded for Noah; Kai doesn't have one written yet.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO.
- The available evidence gives Kai a "medium" Data Confidence level and Noah a "high" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.
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
Noah
Popularity journey
First recorded1990
First recorded at #640 among boys in Norway in 1990 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1996–2024
Highest recorded position: #1 among boys in England and Wales, in 2021 (recorded 1996–2024).
England and Wales · Boys
Most recent2025
Most recently recorded at #1 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys