Is September 16 a rare birthday? Very common

More common than 97% of all 366 dates.

September 16 #13
Most commonSeptember 9RarestDecember 25
Cartoon birthday scene for September 16: a child behind a cake whose candles spell the date
At a glance

September 16 in numbers

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

Born each year≈ 11,671in the United States — about 1,008,000 of them are alive today
In a full stadium147 peopleof 50,000 were born on September 16
On the day itselfEvery 7 secondsa baby is born on September 16 somewhere in the United States
Star signVirgomore common than 20 of the 31 Virgo birthdays
Half-birthdayMarch 16six months later, to the day
Conceived aroundDecember 24Right around Christmas Eve.
Birth frequency by rank

Where September 16 ranks

From most common birthday to rarest, September 16 ranks in position #13, with 11,671 births a year. 353 other dates are rarer. 16 dates are within 1% of its count, anywhere from #5 to #21, so the exact position is a close thing.

56 years of records

September 16 through the years

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

Fell on a weekdayOn a weekend
rarestmost
common
1969, Tuesday: rank #8 of 365, 11,142 births1970, Wednesday: rank #12 of 365, 11,704 births1971, Thursday: rank #31 of 365, 10,780 births1972, Saturday: rank #156 of 366, 9,201 births1973, Sunday: rank #284 of 365, 7,994 births1974, Monday: rank #13 of 365, 10,050 births1975, Tuesday: rank #10 of 365, 9,813 births1976, Thursday: rank #14 of 366, 9,956 births1977, Friday: rank #4 of 365, 10,490 births1978, Saturday: rank #197 of 365, 9,187 births1979, Sunday: rank #262 of 365, 9,225 births1980, Tuesday: rank #7 of 366, 11,414 births1981, Wednesday: rank #14 of 365, 11,365 births1982, Thursday: rank #9 of 365, 11,578 births1983, Friday: rank #48 of 365, 10,948 births1984, Sunday: rank #270 of 366, 9,310 births1985, Monday: rank #16 of 365, 11,849 births1986, Tuesday: rank #2 of 365, 12,301 births1987, Wednesday: rank #12 of 365, 11,988 births1988, Friday: rank #5 of 366, 12,620 births1989, Saturday: rank #256 of 365, 10,351 births1990, Sunday: rank #279 of 365, 9,854 births1991, Monday: rank #32 of 365, 12,856 births1992, Wednesday: rank #29 of 366, 12,633 births1993, Thursday: rank #31 of 365, 12,502 births1994, Friday: rank #3 of 365, 12,884 births1995, Saturday: rank #254 of 365, 9,535 births1996, Monday: rank #62 of 366, 12,107 births1997, Tuesday: rank #5 of 365, 12,891 births1998, Wednesday: rank #21 of 365, 12,768 births1999, Thursday: rank #27 of 365, 12,843 births2000, Saturday: rank #256 of 366, 9,580 births2001, Sunday: rank #307 of 365, 8,175 births2002, Monday: rank #85 of 365, 12,520 births2003, Tuesday: rank #2 of 365, 14,145 births2004, Thursday: rank #37 of 366, 13,240 births2005, Friday: rank #11 of 365, 13,931 births2006, Saturday: rank #256 of 365, 9,518 births2007, Sunday: rank #310 of 365, 8,181 births2008, Tuesday: rank #6 of 366, 14,475 births2009, Wednesday: rank #12 of 365, 13,885 births2010, Thursday: rank #4 of 365, 13,791 births2011, Friday: rank #26 of 365, 13,136 births2012, Sunday: rank #297 of 366, 7,798 births2013, Monday: rank #51 of 365, 12,696 births2014, Tuesday: rank #3 of 365, 13,579 births2015, Wednesday: rank #15 of 365, 13,136 births2016, Friday: rank #11 of 366, 13,116 births2017, Saturday: rank #255 of 365, 8,956 births2018, Sunday: rank #294 of 365, 7,857 births2019, Monday: rank #43 of 365, 12,123 births2020, Wednesday: rank #23 of 366, 11,762 births2021, Thursday: rank #8 of 365, 12,403 births2022, Friday: rank #76 of 365, 11,544 births2023, Saturday: rank #262 of 365, 8,247 births2024, Monday: rank #95 of 366, 11,149 births1970198019902000201020202024

On a weekend it slips to #262, from #23 on a working day

Inductions and planned caesareans are booked on working days, so 27.1% fewer babies arrive and the date falls down the ranking. Each bar is the average rank of the years it landed on that day.

#50
Mon
#5
Tue
#17
Wed
#20
Thu
#23
Fri
#237
Sat
#288
Sun
Most common year
1986#2 of 365Tuesday · 12,301 births
Rarest year
2007#310 of 365Sunday · 8,181 births
Weekend years
16 of 5629% of the record2023 was the most recent
Around the world

September 16 in other countries

September 16 is the 13th most common birthday in the United States. It is among the 50 most common in 16 of the 26 other countries, and ranges from #1 in Portugal to #287 in Mexico.

  1. Portugal

    #1 of 366

    330 births on an average September 16

    INE Portugal, 1980–⁠2025
  2. Philippines

    #5 of 366

    5,335 births on an average September 16

    PSA, 2006–⁠2024
  3. Slovenia

    #12 of 366

    59 births on an average September 16

    SURS, 2000–⁠2025
  4. Germany

    #14 of 366

    2,255 births on an average September 16

    Destatis, 2014–⁠2025
  5. Hungary

    #14 of 366

    350 births on an average September 16

    KSH, 1970–⁠2020
  6. Costa Rica

    #16 of 366

    183 births on an average September 16

    INEC Costa Rica, 2014–⁠2024
  7. Guatemala

    #16 of 366

    1,042 births on an average September 16

    INE Guatemala, 2018–⁠2024
  8. Netherlands

    #17 of 366

    533 births on an average September 16

    CBS, 1995–⁠2025
  9. England & Wales

    #19 of 366

    1,875 births on an average September 16

    ONS, 1995–⁠2025
  10. New Zealand

    #21 of 366

    167 births on an average September 16

    Stats NZ, 1980–⁠2023
  11. Peru

    #22 of 366

    1,280 births on an average September 16

    INEI, 2019–⁠2025
  12. Chile

    #24 of 366

    735 births on an average September 16

    DEIS, 1990–⁠2017
  13. Ireland

    #25 of 366

    176 births on an average September 16

    CSO, 1980–⁠2023
  14. Belgium

    #28 of 366

    344 births on an average September 16

    Statbel, 1992–⁠2025
  15. Ecuador

    #29 of 366

    803 births on an average September 16

    INEC, 2013–⁠2023
  16. France

    #48 of 366

    2,231 births on an average September 16

    INSEE, 1998–⁠2024
  17. Finland

    #51 of 366

    148 births on an average September 16

    Statistics Finland, 2010–⁠2025
  18. Switzerland

    #55 of 366

    230 births on an average September 16

    FSO, 1969–⁠2025
  19. Latvia

    #63 of 366

    57 births on an average September 16

    CSB, 1996–⁠2025
  20. Malaysia

    #87 of 366

    1,427 births on an average September 16

    DOSM, 2000–⁠2022
  21. Japan

    #88 of 366

    2,865 births on an average September 16

    e-Stat, 1996–⁠2025
  22. Denmark

    #89 of 366

    173 births on an average September 16

    Statistics Denmark, 2007–⁠2025
  23. Brazil

    #151 of 366

    8,126 births on an average September 16

    DATASUS, 1997–⁠2024
  24. Norway

    #151 of 366

    159 births on an average September 16

    SSB, 2011–⁠2025
  25. Argentina

    #240 of 366

    1,457 births on an average September 16

    DEIS, 2018–⁠2023
  26. Mexico

    #287 of 366

    4,817 births on an average September 16

    INEGI, 2017–⁠2023
Zoom out

September against the other eleven

September 16 is the 11th most common of the 30 days in September. All September birthdays.

September is the most common month of the year

An average September day sees 11,448 births in the United States. September is the busiest month, January the quietest.

September 16 is the 5th rarest of the 15 days around it

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

September 16#13 of 36611,671 births a year

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD151015202530
RarestMost common

Compare with a friend

See how September 16 stacks up against someone else's birthday.

YouSeptember 16
#13Rank
11,671Births a year
Friend
Questions

Quick answers

How many babies are born on September 16?

About 11,671 a year in the United States. It was at its most common in 1986, when 12,301 babies were born and it ranked #2 of 365; at its rarest in 2007, with 8,181 births at #310.

Is September 16 a common birthday?

In the United States, September 16 is the 13th most common of 366 dates, with about 11,671 births a year. That puts it among the more common birthdays.

What is the rarest September birthday?

In the United States, September 2: the 118th rarest of all 366 dates, with about 10,653 births a year. The most common September birthday is September 9, the most common of the year.

How precise is the ranking?

In the middle of the calendar it is not exact. 16 other dates are within 1% of September 16's count, spread from #5 to #21, 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 September 16 rarer in other countries?

In some. It is rarer in 23 of the 26 other countries we hold daily records for. It is at its rarest in Mexico, at #287 of 366, and at its most common in Portugal, at #1.

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