Namewise

Jan vs Leif

Jan and Leifcompared 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.

  • Norway · Boys

    In 2025, Jan was ranked #149 and Leif #225 among boys in Norway.

  • England and Wales · Boys

    In 2025, Jan was ranked #639 and Leif #1007 among boys in England and Wales.

Jan and Leif over time

Jan and Leif appear together in 2 published lists, across 108 years of shared records. Jan held the stronger position in more years in 2 of them, Leif in 0.

In none of those lists did their order change and stay changed.

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.

  • Longest-running competitions

    Jan and Leif were both ranked in Norway · Boys for 81 years, from 1945 to 2025, ending at #149 and #225.

  • Peaked in the same years

    Both reached their highest recorded position in Norway · Boys within 2 years — Jan #1 in 1946, Leif #17 in 1945.

List by list

  • Norway · Boys81 shared years, 1945–2025

    Jan held the stronger position in 81 of those years, Leif in 0.

    Highest recorded here: Jan #1 in 1946, Leif #17 in 1945.

    The order between them never changed and held in this list.

    Most recent shared year, 2025: Jan #149, Leif #225.

  • England and Wales · Boys27 shared years, 1996–2025

    Jan held the stronger position in 27 of those years, Leif in 0.

    Highest recorded here: Jan #226 in 2017, Leif #814 in 2024.

    The order between them never changed and held in this list.

    Most recent shared year, 2025: Jan #639, Leif #1007.

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.

Where to go next

Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.

Other comparisons involving Jan

Pairs where Jan shares a published list with another name, each measured inside one registrar's own list.

Other comparisons involving Leif

Pairs where Leif shares a published list with another name, each measured inside one registrar's own list.

Other pairs with the same kind of relationship

Pairs that qualify under the same rule as this one — peaked in the same years.

All peaked in the same years→

Other pairs from Norway lists

Pairs measured inside Norway's own published lists, where this pair's strongest relationship is also recorded. Positions in these lists are not comparable with another registrar's.

Norway overview→

Other pairs ranked together in the 2020s

Pairs both ranked in the same published list at some point between 2020 and 2029.

The 2020s across all registrars→

Side by side

Side-by-side comparison of Jan, Leif
FieldJanLeif
Record typeEditorially researched profileEditorially researched profile
Gender usagemalemale
MeaningA form of Johannes used across many European languages, from Hebrew Yochanan via Greek Ioannes — 'Yahweh is gracious'.Commonly interpreted as 'heir' or 'descendant'.
OriginHebrew, via Dutch/Scandinavian/Central European transmissionOld Norse
Pronunciation/ˈjɑːn//leɪf/ (also /liːf/)
Syllables11
Common variants / nicknamesNot yet recordedLeiv
Recorded regional usageAU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZGB-ENW, NO
Most recent popularity observationNorway · Boys #149 (2025)Sweden #88 (2025)
Pronunciation clarity (demonstration score)90/10090/100
Spelling simplicity (demonstration score)95/10095/100
International familiarity (demonstration score)100/10060/100
Data Confidencemediumhigh

What the data shows

  • Jan is recorded with a Hebrew, via Dutch/Scandinavian/Central European transmission origin, while Leif is recorded with a Old Norse origin.
  • Jan and Leif both have 1 syllable.
  • Jan's recorded meaning differs from Leif's — see the table above for each.
  • Both names have recorded usage in GB-ENW, NO.
  • The available evidence gives Jan a "medium" Data Confidence level and Leif a "high" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.

How each name got here

Jan

Popularity journey

  1. First recorded1945

    First recorded at #2 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Norway · Boys

  2. Highest recorded1945–2025

    Highest recorded position: #1 among boys in Norway, in 1946 (recorded 1945–2025).

    Norway · Boys

  3. Most recent2025

    Most recently recorded at #639 among boys in England and Wales, in 2025.

    England and Wales · Boys

Leif

Popularity journey

  1. First recorded1945

    First recorded at #17 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Norway · Boys

  2. Highest recorded1945–2025

    Highest recorded position: #17 among boys in Norway, in 1945 (recorded 1945–2025).

    Norway · Boys

  3. Most recent2025

    Most recently recorded at #1007 among boys in England and Wales, in 2025.

    England and Wales · Boys