Jayden vs Kai
Jayden and Kaicompared 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 2024, Jayden was ranked #63 and Kai #20 among boys in New South Wales, Australia.
Republic of Ireland · Boys
In 2025, Jayden was ranked #111 and Kai #34 among boys in Republic of Ireland.
Scotland · Boys
In 2024, Jayden was ranked #97 and Kai #56 among boys in Scotland.
Northern Ireland · Boys
In 2024, Jayden was ranked #144 and Kai #69 among boys in Northern Ireland.
England and Wales · Boys
In 2024, Jayden was ranked #111 and Kai #72 among boys in England and Wales.
England and Wales · Girls
In 2018, Jayden was ranked #5666 and Kai #4684 among girls in England and Wales.
Jayden and Kai over time
Jayden and Kai appear together in 5 published lists, across 114 years of shared records. Jayden held the stronger position in more years in 4 of them, Kai in 1.
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.
Jayden reached its own highest recorded position earlier in 3 of those lists, Kai in 2. Each position is a place inside its own list, so this compares when they peaked and never how high.
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 took the other's place near the top
In New South Wales, Australia · Boys, Kai moved into the top 50 at #29 in 2021 as Jayden fell out of it to #65, having been #45 the year before.
- One moved ahead of the other
In 2021, Kai moved ahead of Jayden in New South Wales, Australia · Boys — #45 and #50 the year before became #65 and #29.
- Repeatedly exchanged positions
Jayden and Kai changed places 4 times in Northern Ireland · Boys between 2000 and 2024, ending at #144 and #69.
- Closest over the longest run
Across 29 shared years in England and Wales · Boys, Jayden and Kai averaged 53.2 places apart, ending at #111 and #72.
List by list
England and Wales · Boys29 shared years, 1996–2024
Jayden held the stronger position in 14 of those years, Kai in 15.
Highest recorded here: Jayden #26 in 2009, Kai #56 in 2003.
The order between them never changed and held in this list.
Most recent shared year, 2024: Jayden #111, Kai #72.
Republic of Ireland · Boys23 shared years, 2002–2025
Jayden held the stronger position in 12 of those years, Kai in 10.
Highest recorded here: Jayden #43 in 2012, Kai #30 in 2024.
The order between them never changed and held in this list.
Most recent shared year, 2025: Jayden #111, Kai #34.
New South Wales, Australia · Boys22 shared years, 2002–2024
Jayden held the stronger position in 17 of those years, Kai in 5.
Highest recorded here: Jayden #18 in 2002, Kai #20 in 2023.
The order changed in 2021: Kai moved ahead. In 2020 they stood at #45 and #50; by 2021 that had become #65 and #29.
Most recent shared year, 2024: Jayden #63, Kai #20.
Northern Ireland · Boys22 shared years, 2000–2024
Jayden held the stronger position in 11 of those years, Kai in 9.
Highest recorded here: Jayden #32 in 2011, Kai #52 in 2021.
The order between them never changed and held in this list.
Most recent shared year, 2024: Jayden #144, Kai #69.
England and Wales · Girls18 shared years, 1996–2018
Jayden held the stronger position in 14 of those years, Kai in 4.
Highest recorded here: Jayden #855 in 2006, Kai #1126 in 1997.
The order between them never changed and held in this list.
Most recent shared year, 2018: Jayden #5666, Kai #4684.
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 | Jayden | Kai |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO |
| Most recent popularity observation | Republic of Ireland · Boys #111 (2025) | New South Wales, Australia · Boys #23 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Jayden has 2 syllables, compared with 1 for Kai.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE.
How each name got here
Jayden
Popularity journey
First recorded1991
First recorded at #85 among boys in New Zealand in 1991 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New Zealand · Boys
Highest recorded1991–2023
Highest recorded position: #14 among boys in New Zealand, in 2002 (recorded 1991–2023).
New Zealand · Boys
Most recent2025
Most recently recorded at #111 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
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