Baby Names US
boys' name ★ peaked 2014

Zac

Gender Boy Rank 2025 #3,237 Trend ↓ Falling 20%

Alternative form of Zach, a diminutive of the male given names Zachariah, Zacharias, and Zachary.

Rank 2025
#3,237
among boys · ↑154 vs 2024
Babies in 2025
37
named Zac · +6% vs 2024
How common
1 in 46,164
boys born in 2025
Peak year
2014
84 babies
All-time total
1,600
#3,787 all-time among boys
First recorded
1957
in Social Security records

Zac popularity over time

1,600 babies have been named Zac since 1957, 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
0.010.030.040.0518801900192019401960198020002020Peak 2014Boys

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 Boys Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s – – – –
1950s 5 1 – #4,549
1960s 15 2 +200% #4,590
1970s 100 10 +567% #2,506
1980s 104 10 +4% #3,268
1990s 110 11 +6% #3,874
2000s 303 30 +175% #2,007
2010s 692 69 +128% #1,792
2020s (to 2025) 271 45 -35% #2,496

Where Zac is heading

A five-year projection from the recent trend in births per 1,000 boys (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 boys Implied rank
2026 35 0.02 outside top 500
2027 34 0.02 outside top 500
2028 33 0.02 outside top 500
2029 32 0.02 outside top 500
2030 32 0.02 outside top 500

The story of Zac

Zac is rare for boys in the United States, ranked #3,237 in 2025 with 37 babies given the name. It is currently declining compared with a decade ago.

Since 1957, 1,600 American babies have been named Zac. Its peak came in 2014, when 84 newborns received the name, the signature sound of the 2010s.

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 Zac stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Zac?

The median living Zac is about 13 years old; half are between 8 and 21. An estimated 1,600 people named Zac are alive in the United States today.

median 13 020406080100

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

Zac year by year

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

Year Boys Boys rank
2025 37 #3,237
2024 35 #3,391
2023 48 #2,736
2022 47 #2,792
2021 54 #2,496
2020 50 #2,583
2019 50 #2,625
2018 56 #2,383
2017 67 #2,090
2016 74 #1,972
2015 64 #2,167
2014 84 #1,792
2013 63 #2,137
2012 74 #1,941
2011 77 #1,848
2010 83 #1,793
2009 70 #2,007
2008 52 #2,462
2007 34 #3,311
2006 19 #4,859
2005 21 #4,324
2004 35 #2,952
2003 20 #4,272
2002 14 #5,390
2001 25 #3,510
2000 13 #5,580
1995 – –
1990 8 #6,407
1985 13 #3,596
1980 12 #3,611
1975 13 #3,076
1970 9 #3,519
1965 – –
1960 – –
1955 – –
1950 – –
1945 – –
1940 – –
1935 – –
1930 – –
1925 – –
1920 – –
1915 – –
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Famous people named Zac

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Zac Efron Zac Efron American actor (born 1987) Contemporary
  2. 2 Zac Goldsmith Zac Goldsmith British politician and journalist (born 1975) Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Zac?

The median living Zac is about 13 years old. Half of all living Zacs are between 8 and 21 years old.

How many people named Zac are alive today?

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

What does the name Zac mean?

Alternative form of Zach, a diminutive of the male given names Zachariah, Zacharias, and Zachary.

How popular is the name Zac in 2025?

Zac ranked #3,237 among boys' names in the United States in 2025, with 37 babies given the name, according to Social Security Administration data.

How many people are named Zac?

1,600 babies have been named Zac in the United States since 1957, based on Social Security card applications.

When was the name Zac most popular?

Zac peaked in 2014, when 84 newborns received the name.

Is Zac a boy or girl name?

Zac is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Zac rising or falling?

Zac is declining, less popular now than a decade ago.

Will Zac become more popular?

Zac is trending downward. If the recent trend holds, we project roughly 32 boys named Zac in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Who are famous people named Zac?

Well-known people named Zac include Zac Efron (actor), Zac Goldsmith (politician).

Names like Zac

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

Compare Zac with similar names → More names starting with Z →