Is August 15 a rare birthday? Popular

More common than 93% of all 366 dates.

August 15 #27
Most commonSeptember 9RarestDecember 25
Cartoon birthday scene for August 15: a child behind a cake whose candles spell the date
At a glance

August 15 in numbers

The odds, the star sign and the other dates that come with it.

Born each year≈ 11,528in the United States — about 988,000 of them are alive today
In a full stadium145 peopleof 50,000 were born on August 15
On the day itselfEvery 7 secondsa baby is born on August 15 somewhere in the United States
Star signLeomore common than 28 of the 31 Leo birthdays
Half-birthdayFebruary 15six months later, to the day
Conceived aroundNovember 22A cosy autumn night, then.
Birth frequency by rank

Where August 15 ranks

From most common birthday to rarest, August 15 ranks in position #27, with 11,528 births a year. 339 other dates are rarer. 34 dates are within 1% of its count, anywhere from #14 to #48, so the exact position is a close thing.

August 15#27 · 11,528 a year11,9006,546#1#366
56 years of records

August 15 through the years

Where it ranked in the United States, year by year.

Fell on a weekdayOn a weekend
rarestmost
common
1969, Friday: rank #24 of 365, 10,910 births1970, Saturday: rank #184 of 365, 10,236 births1971, Sunday: rank #305 of 365, 8,836 births1972, Tuesday: rank #6 of 366, 10,129 births1973, Wednesday: rank #25 of 365, 9,540 births1974, Thursday: rank #27 of 365, 9,825 births1975, Friday: rank #18 of 365, 9,643 births1976, Sunday: rank #305 of 366, 7,823 births1977, Monday: rank #62 of 365, 9,852 births1978, Tuesday: rank #4 of 365, 10,520 births1979, Wednesday: rank #62 of 365, 10,490 births1980, Friday: rank #53 of 366, 10,897 births1981, Saturday: rank #256 of 365, 9,628 births1982, Sunday: rank #276 of 365, 9,215 births1983, Monday: rank #92 of 365, 10,663 births1984, Wednesday: rank #26 of 366, 11,489 births1985, Thursday: rank #21 of 365, 11,746 births1986, Friday: rank #35 of 365, 11,651 births1987, Saturday: rank #262 of 365, 9,398 births1988, Monday: rank #75 of 366, 11,769 births1989, Tuesday: rank #18 of 365, 12,822 births1990, Wednesday: rank #48 of 365, 12,749 births1991, Thursday: rank #33 of 365, 12,845 births1992, Saturday: rank #260 of 366, 9,796 births1993, Sunday: rank #312 of 365, 8,797 births1994, Monday: rank #207 of 365, 11,391 births1995, Tuesday: rank #11 of 365, 12,760 births1996, Thursday: rank #52 of 366, 12,180 births1997, Friday: rank #50 of 365, 12,240 births1998, Saturday: rank #257 of 365, 9,296 births1999, Sunday: rank #311 of 365, 8,190 births2000, Tuesday: rank #30 of 366, 13,067 births2001, Wednesday: rank #34 of 365, 13,005 births2002, Thursday: rank #24 of 365, 13,277 births2003, Friday: rank #73 of 365, 13,011 births2004, Sunday: rank #317 of 366, 7,754 births2005, Monday: rank #177 of 365, 12,508 births2006, Tuesday: rank #21 of 365, 14,317 births2007, Wednesday: rank #26 of 365, 14,385 births2008, Friday: rank #52 of 366, 13,639 births2009, Saturday: rank #273 of 365, 8,464 births2010, Sunday: rank #321 of 365, 7,293 births2011, Monday: rank #78 of 365, 12,589 births2012, Wednesday: rank #20 of 366, 13,203 births2013, Thursday: rank #22 of 365, 13,004 births2014, Friday: rank #36 of 365, 12,975 births2015, Saturday: rank #261 of 365, 8,938 births2016, Monday: rank #107 of 366, 12,187 births2017, Tuesday: rank #15 of 365, 12,820 births2018, Wednesday: rank #20 of 365, 12,431 births2019, Thursday: rank #6 of 365, 12,641 births2020, Saturday: rank #258 of 366, 8,417 births2021, Sunday: rank #308 of 365, 7,324 births2022, Monday: rank #84 of 365, 11,455 births2023, Tuesday: rank #31 of 365, 11,574 births2024, Thursday: rank #32 of 366, 11,653 births1970198019902000201020202024

On a weekend it slips to #279, from #46 on a working day

Inductions and planned caesareans are booked on working days, so 27.4% fewer babies arrive and the date falls down the ranking. Each bar is the average rank of the years it landed on that day.

#110
Mon
#17
Tue
#33
Wed
#27
Thu
#43
Fri
#251
Sat
#307
Sun
Most common year
1978#4 of 365Tuesday · 10,520 births
Rarest year
2010#321 of 365Sunday · 7,293 births
Weekend years
16 of 5629% of the record2021 was the most recent
Around the world

August 15 in other countries

August 15 is the 27th most common birthday in the United States. It is among the 50 most common in 4 of the 26 other countries, and ranges from #9 in Norway to #362 in Belgium.

  1. Norway

    #9 of 366

    173 births on an average August 15

    SSB, 2011–⁠2025

  2. Ecuador

    #30 of 366

    802 births on an average August 15

    INEC, 2013–⁠2023

  3. Netherlands

    #36 of 366

    526 births on an average August 15

    CBS, 1995–⁠2025

  4. Mexico

    #44 of 366

    5,500 births on an average August 15

    INEGI, 2017–⁠2023

  5. England & Wales

    #63 of 366

    1,831 births on an average August 15

    ONS, 1995–⁠2025

  6. Hungary

    #68 of 366

    339 births on an average August 15

    KSH, 1970–⁠2020

  7. Denmark

    #73 of 366

    174 births on an average August 15

    Statistics Denmark, 2007–⁠2025

  8. Germany

    #75 of 366

    2,170 births on an average August 15

    Destatis, 2014–⁠2025

  9. Finland

    #112 of 366

    145 births on an average August 15

    Statistics Finland, 2010–⁠2025

  10. Malaysia

    #115 of 366

    1,414 births on an average August 15

    DOSM, 2000–⁠2022

  11. New Zealand

    #118 of 366

    159 births on an average August 15

    Stats NZ, 1980–⁠2023

  12. Ireland

    #125 of 366

    170 births on an average August 15

    CSO, 1980–⁠2023

  13. Philippines

    #128 of 366

    4,598 births on an average August 15

    PSA, 2006–⁠2024

  14. Latvia

    #137 of 366

    55 births on an average August 15

    CSB, 1996–⁠2025

  15. Guatemala

    #162 of 366

    951 births on an average August 15

    INE Guatemala, 2018–⁠2024

  16. Peru

    #225 of 366

    1,184 births on an average August 15

    INEI, 2019–⁠2025

  17. Brazil

    #254 of 366

    7,748 births on an average August 15

    DATASUS, 1997–⁠2024

  18. Switzerland

    #271 of 366

    217 births on an average August 15

    FSO, 1969–⁠2025

  19. Argentina

    #305 of 366

    1,392 births on an average August 15

    DEIS, 2018–⁠2023

  20. Japan

    #339 of 366

    2,614 births on an average August 15

    e-Stat, 1996–⁠2025

  21. Portugal

    #347 of 366

    280 births on an average August 15

    INE Portugal, 1980–⁠2025

  22. Slovenia

    #354 of 366

    47 births on an average August 15

    SURS, 2000–⁠2025

  23. France

    #358 of 366

    1,930 births on an average August 15

    INSEE, 1998–⁠2024

  24. Chile

    #359 of 366

    508 births on an average August 15

    DEIS, 1990–⁠2017

  25. Costa Rica

    #360 of 366

    150 births on an average August 15

    INEC Costa Rica, 2014–⁠2024

  26. Belgium

    #362 of 366

    227 births on an average August 15

    Statbel, 1992–⁠2025
Birthday twins

Famous people born on August 15

Ranked by how often people looked them up on Wikipedia last year.

NapoleonNapoleonEmperor of the French (1804–⁠1814; 1815) · born 1769Jennifer LawrenceJennifer LawrenceAmerican actress and producer · born 1990Ben AffleckBen AffleckAmerican actor and filmmaker · born 1972Anne, Princess RoyalAnne, Princess RoyalBritish princess · born 1950Joe JonasJoe JonasAmerican singer and actor · born 1989Peter HermannPeter HermannAmerican actor · born 1967Nipsey HussleNipsey HussleAmerican rapper · born 1985Debra MessingDebra MessingAmerican actress · born 1968
Zoom out

August against the other eleven

August 15 is the 4th most common of the 31 days in August. All August birthdays.

August is the 2nd most common month of the year

An average August day sees 11,405 births in the United States. September is the busiest month, January the quietest.

10,394
Jan
10,637
Feb
10,658
Mar
10,557
Apr
10,702
May
10,990
Jun
11,238
Jul
11,405
Aug
11,448
Sep
10,872
Oct
10,616
Nov
10,633
Dec
August 14
Births a year11,438
Rank#43
August 15
Births a year11,528
Rank#27
August 16
Births a year11,599
Rank#16

August 15 is the 3rd most common of the 15 days around it

#18
8
#32
9
#34
10
#72
11
#54
12
#103
13
#43
14
#27
15
#16
16
#30
17
#48
18
#75
19
#55
20
#58
21
#39
22
The whole year

Every date on one grid

In the United States, September is the busiest month of the year to be born in and January the quietest.

Each square is one date

August 15#27 of 36611,528 births a year

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD151015202530
RarestMost common

Compare with a friend

See how August 15 stacks up against someone else's birthday.

YouAugust 15
#27Rank
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Questions

Quick answers

How many babies are born on August 15?

About 11,528 a year in the United States. It was at its most common in 1978, when 10,520 babies were born and it ranked #4 of 365; at its rarest in 2010, with 7,293 births at #321.

Is August 15 a common birthday?

In the United States, August 15 is the 27th most common of 366 dates, with about 11,528 births a year. That puts it among the more common birthdays.

What is the rarest August birthday?

In the United States, August 13: the 103rd most common of all 366 dates, with about 11,121 births a year. The most common August birthday is August 16, the 16th most common of the year.

How precise is the ranking?

In the middle of the calendar it is not exact. 34 other dates are within 1% of August 15's count, spread from #14 to #48, so the position inside that group would shift with a different set of years. That band is the accurate answer; the rank is the simple one. At the ends — Christmas Day, New Year's Day — nothing is close.

Is August 15 rarer in other countries?

In some. It is rarer in 25 of the 26 other countries we hold daily records for. It is at its rarest in Belgium, at #362 of 366, and at its most common in Norway, at #9.

Our data

How this is counted

Every date is ranked by how many babies are born on it in the United States. Live births by day of birth from the CDC's National Center for Health Statistics, 1989–⁠2024.

Read the full methodology →

Updated October 2026