Nicolai Boy

How popular is Nicolai?

#2,572 boy name in 2025

51 baby boys were named Nicolai in the US in 2025, making it the 2572nd most popular boy name.

Compare with other names
1,832living people named Nicolai (est.)
16median age of people named Nicolai
1,865babies named Nicolai since 1880
1 in 65,007US babies born in 2025

Nicolai popularity over time

04080 18801900192019401960198020002020
Rank in 2025#2,572 for boys (▼ 13 from 2024)
Babies in 202551 boys
10-year trendFalling (-35% babies vs 2015)
Earlier ranks#1,870 in 2015, #2,545 in 2020
Peak year2015 (78 boys)
Highest rank#1,870 in 2015
First recorded1962
Boys vs girls (last 10 years)100% boys, 0% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Nicolai counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Nikolai family of names ranked #448 for boys in 2025 (#437 the year before), with 674 babies in all.

SpellingBoys in 2025Share
Nikolai 469 70%
Nikola 102 15%
Nicolai 51 8%
Nicola 28 4%
Nickolai 10 1%
Nikolay 14 2%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Nicolai is most popular

Babies named Nicolai per 1,000 boys born in each state, 2021 to 2025. Darker means more common.

  1. California: 0.1 per 1,000 (47 boys)
  2. Florida: 0.0 per 1,000 (19 boys)
  3. Pennsylvania: 0.0 per 1,000 (8 boys)
  4. Texas: 0.0 per 1,000 (26 boys)
  5. Ohio: 0.0 per 1,000 (6 boys)

Nicolai by decade

DecadeBaby boysBest rank
1960s12#3,639
1970s48#2,945
1980s125#2,463
1990s284#2,021
2000s463#2,000
2010s607#1,870
2020s326#2,135

Boy names about as popular as Nicolai

Questions

Is Nicolai a boy or girl name?
Nicolai is mostly a boy name. Over the last 10 years, 100% of babies named Nicolai were boys.
How popular is the name Nicolai?
51 baby boys were named Nicolai in the US in 2025, making it the 2572nd most popular boy name.
When was Nicolai most popular?
Nicolai peaked in 2015, when 78 boys were given the name. Its highest rank was #1,870 in 2015.
How many people are named Nicolai?
1,865 babies have been named Nicolai in the US since 1880. We estimate about 1,832 of them are alive in 2026, with a median age of 16.
Where is Nicolai most popular?
From 2021 to 2025, Nicolai was most common in California, at 0.1 of every 1,000 boys born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.