Baby Names US
girls' name ★ peaked 2021

Nairobi

Gender Girl · 2% boys Rank 2025 #1,870 Trend ↑ Rising 34%
Rank 2025
#1,870
among girls · ↓329 vs 2024
Babies in 2025
106
named Nairobi · -24% vs 2024
How common
1 in 15,163
girls born in 2025
Peak year
2021
242 babies
All-time total
1,596
#5,549 all-time among girls
First recorded
1971
in Social Security records

Nairobi popularity over time

1,596 babies have been named Nairobi since 1971, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.050.10.150.218801900192019401960198020002020GirlsBoys
GirlsBoys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – 16 16 2 – –
1980s 30 – 30 3 +87% #5,431
1990s 75 9 84 8 +180% #4,896
2000s 127 5 132 13 +57% #6,740
2010s 222 – 222 22 +68% #2,672
2020s (to 2025) 1,107 5 1,112 185 +735% #1,043

Where Nairobi is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 girls Implied rank
2026 119 0.07 outside top 500
2027 130 0.08 outside top 500
2028 141 0.09 outside top 500
2029 151 0.09 outside top 500
2030 161 0.10 outside top 500

Where Nairobi is most popular

Girls named Nairobi per 1,000 girls born in each state, 2021–2025. National average: 0.110 per 1,000. Strongest in Georgia, Arizona, and Florida.

Vs national average
well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are girls named Nairobi born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State Girls 2021–2025 Per 1,000 vs national
Georgia 49 0.216 +96%
Arizona 30 0.214 +94%
Florida 84 0.196 +79%
North Carolina 42 0.184 +68%
Illinois 38 0.166 +51%
California 127 0.151 +37%
Pennsylvania 33 0.140 +27%
Texas 111 0.138 +26%
New York 50 0.126 +15%
New Jersey 21 0.116 +6%
Ohio 17 0.072 -35%
Washington 10 0.069 -37%
Virginia 11 0.065 -41%
Alabama 5 0.053 -52%
Colorado 5 0.045 -59%
Massachusetts 5 0.041 -62%
Michigan 7 0.038 -65%
Tennessee 5 0.032 -71%
Alaska – – –
Arkansas – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Indiana – – –
Kansas – – –
Kentucky – – –
Louisiana – – –
Maryland – – –
Maine – – –
Minnesota – – –
Missouri – – –
Mississippi – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Mexico – – –
Nevada – – –
Oklahoma – – –
Oregon – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Utah – – –
Vermont – – –
Wisconsin – – –
West Virginia – – –
Wyoming – – –

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Nairobi

Nairobi is rare for girls in the United States, ranked #1,870 in 2025 with 106 babies given the name. It is currently rising compared with a decade ago.

Since 1971, 1,596 American babies have been named Nairobi. Its peak came in 2021, when 242 newborns received the name, the signature sound of the 2020s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Nairobi stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Nairobi?

The median living Nairobi is about 4 years old; half are between 2 and 7. An estimated 1,600 people named Nairobi are alive in the United States today.

median 4 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Nairobi year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 106 #1,870 – –
2024 139 #1,541 – –
2023 172 #1,321 5 #13,550
2022 233 #1,080 – –
2021 242 #1,043 – –
2020 215 #1,124 – –
2019 65 #2,672 – –
2018 37 #3,983 – –
2017 24 #5,479 – –
2016 21 #6,125 – –
2015 14 #8,310 – –
2014 17 #7,220 – –
2013 11 #10,049 – –
2012 16 #7,698 – –
2011 8 #13,022 – –
2010 9 #11,972 – –
2009 19 #6,991 – –
2008 9 #12,315 – –
2007 19 #7,014 – –
2006 12 #9,726 – –
2005 18 #6,740 – –
2004 12 #9,100 – –
2003 9 #11,044 – –
2002 9 #10,824 5 #11,905
2001 10 #9,882 – –
2000 10 #9,671 – –
1995 – – – –
1990 – – – –
1985 7 #8,965 – –
1980 – – – –
1975 – – – –
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

Quick answers about Nairobi, drawn from the same Social Security data as the charts above.

How old is the average Nairobi?

The median living Nairobi is about 4 years old. Half of all living Nairobis are between 2 and 7 years old.

How many people named Nairobi are alive today?

An estimated 1,600 people named Nairobi are alive in the United States, based on 1,596 recorded births and Social Security life tables.

How popular is the name Nairobi in 2025?

Nairobi ranked #1,870 among girls' names in the United States in 2025, with 106 babies given the name, according to Social Security Administration data.

How many people are named Nairobi?

1,596 babies have been named Nairobi in the United States since 1971, based on Social Security card applications.

When was the name Nairobi most popular?

Nairobi peaked in 2021, when 242 newborns received the name.

Is Nairobi a boy or girl name?

Nairobi is overwhelmingly a girl's name: 98% of babies with the name.

Is the name Nairobi rising or falling?

Nairobi is on the rise, noticeably more popular now than a decade ago.

Will Nairobi become more popular?

Nairobi is trending upward. If the recent trend holds, we project roughly 161 girls named Nairobi in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Nairobi

Names that sound and feel close to Nairobi: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Nairobi with similar names → More names starting with N →