Is April 13 a rare birthday? Rare

Rarer than 94% of all 366 dates.

April 13 #343
Most commonSeptember 9RarestDecember 25
Cartoon birthday scene for April 13: a child behind a cake whose candles spell the date
At a glance

April 13 in numbers

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

Born each year≈ 10,368in the United States — about 888,000 of them are alive today
In a full stadium131 peopleof 50,000 were born on April 13
On the day itselfEvery 8 secondsa baby is born on April 13 somewhere in the United States
Star signAriesrarer than 28 of the 30 Aries birthdays
Half-birthdayOctober 13six months later, to the day
Conceived aroundJuly 21A summer night, then.
Birth frequency by rank

Where April 13 ranks

From most common birthday to rarest, April 13 ranks in position #343, with 10,368 births a year. 342 other dates are more common. 25 dates are within 1% of its count, anywhere from #324 to #349, so the exact position is a close thing.

56 years of records

April 13 through the years

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

Fell on a weekdayOn a weekend
rarestmost
common
1969, Sunday: rank #359 of 365, 8,134 births1970, Monday: rank #292 of 365, 9,470 births1971, Tuesday: rank #106 of 365, 10,296 births1972, Thursday: rank #204 of 366, 8,987 births1973, Friday: rank #217 of 365, 8,616 births1974, Saturday: rank #316 of 365, 7,609 births1975, Sunday: rank #365 of 365, 7,002 births1976, Tuesday: rank #242 of 366, 8,459 births1977, Wednesday: rank #217 of 365, 9,216 births1978, Thursday: rank #259 of 365, 8,734 births1979, Friday: rank #270 of 365, 9,070 births1980, Sunday: rank #358 of 366, 8,281 births1981, Monday: rank #245 of 365, 9,736 births1982, Tuesday: rank #185 of 365, 10,350 births1983, Wednesday: rank #235 of 365, 10,112 births1984, Friday: rank #206 of 366, 10,102 births1985, Saturday: rank #319 of 365, 8,766 births1986, Sunday: rank #348 of 365, 8,295 births1987, Monday: rank #226 of 365, 10,610 births1988, Wednesday: rank #247 of 366, 10,534 births1989, Thursday: rank #239 of 365, 11,062 births1990, Friday: rank #248 of 365, 11,081 births1991, Saturday: rank #315 of 365, 9,201 births1992, Monday: rank #243 of 366, 11,186 births1993, Tuesday: rank #117 of 365, 11,915 births1994, Wednesday: rank #202 of 365, 11,428 births1995, Thursday: rank #173 of 365, 11,411 births1996, Saturday: rank #294 of 366, 8,565 births1997, Sunday: rank #354 of 365, 7,559 births1998, Monday: rank #251 of 365, 10,383 births1999, Tuesday: rank #140 of 365, 11,884 births2000, Thursday: rank #211 of 366, 11,677 births2001, Friday: rank #247 of 365, 10,741 births2002, Saturday: rank #295 of 365, 8,345 births2003, Sunday: rank #363 of 365, 7,130 births2004, Tuesday: rank #178 of 366, 12,399 births2005, Wednesday: rank #213 of 365, 12,234 births2006, Thursday: rank #196 of 365, 12,726 births2007, Friday: rank #247 of 365, 11,998 births2008, Sunday: rank #352 of 366, 7,309 births2009, Monday: rank #251 of 365, 11,454 births2010, Tuesday: rank #146 of 365, 12,345 births2011, Wednesday: rank #231 of 365, 11,469 births2012, Friday: rank #250 of 366, 10,758 births2013, Saturday: rank #313 of 365, 7,610 births2014, Sunday: rank #352 of 365, 7,149 births2015, Monday: rank #239 of 365, 11,503 births2016, Wednesday: rank #213 of 366, 11,601 births2017, Thursday: rank #213 of 365, 11,324 births2018, Friday: rank #245 of 365, 10,699 births2019, Saturday: rank #312 of 365, 7,466 births2020, Monday: rank #252 of 366, 9,951 births2021, Tuesday: rank #183 of 365, 10,824 births2022, Wednesday: rank #201 of 365, 10,780 births2023, Thursday: rank #204 of 365, 10,567 births2024, Saturday: rank #308 of 366, 7,516 births1970198019902000201020202024

On a weekend it slips to #333, from #217 on a working day

Inductions and planned caesareans are booked on working days, so 26.7% fewer babies arrive and the date falls down the ranking. Each bar is the average rank of the years it landed on that day.

#250
Mon
#162
Tue
#220
Wed
#212
Thu
#241
Fri
#309
Sat
#356
Sun
Most common year
1971#106 of 365Tuesday · 10,296 births
Rarest year
1975#365 of 365Sunday · 7,002 births
Weekend years
16 of 5629% of the record2024 was the most recent
Around the world

April 13 in other countries

April 13 is the 24th rarest birthday in the United States. It is among the 50 rarest in 11 of the 26 other countries, and ranges from #25 in Argentina to #358 in England & Wales.

  1. Argentina

    #25 of 366

    1,732 births on an average April 13

    DEIS, 2018–⁠2023
  2. Peru

    #67 of 366

    1,251 births on an average April 13

    INEI, 2019–⁠2025
  3. Brazil

    #87 of 366

    8,423 births on an average April 13

    DATASUS, 1997–⁠2024
  4. Ecuador

    #151 of 366

    771 births on an average April 13

    INEC, 2013–⁠2023
  5. Norway

    #157 of 366

    158 births on an average April 13

    SSB, 2011–⁠2025
  6. Costa Rica

    #176 of 366

    168 births on an average April 13

    INEC Costa Rica, 2014–⁠2024
  7. Malaysia

    #230 of 366

    1,384 births on an average April 13

    DOSM, 2000–⁠2022
  8. Finland

    #237 of 366

    138 births on an average April 13

    Statistics Finland, 2010–⁠2025
  9. Switzerland

    #239 of 366

    220 births on an average April 13

    FSO, 1969–⁠2025
  10. Mexico

    #265 of 366

    4,853 births on an average April 13

    INEGI, 2017–⁠2023
  11. Ireland

    #269 of 366

    165 births on an average April 13

    CSO, 1980–⁠2023
  12. Latvia

    #279 of 366

    51 births on an average April 13

    CSB, 1996–⁠2025
  13. Guatemala

    #299 of 366

    912 births on an average April 13

    INE Guatemala, 2018–⁠2024
  14. Hungary

    #305 of 366

    313 births on an average April 13

    KSH, 1970–⁠2020
  15. Philippines

    #309 of 366

    4,197 births on an average April 13

    PSA, 2006–⁠2024
  16. New Zealand

    #321 of 366

    153 births on an average April 13

    Stats NZ, 1980–⁠2023
  17. Denmark

    #328 of 366

    155 births on an average April 13

    Statistics Denmark, 2007–⁠2025
  18. Portugal

    #331 of 366

    283 births on an average April 13

    INE Portugal, 1980–⁠2025
  19. France

    #334 of 366

    2,058 births on an average April 13

    INSEE, 1998–⁠2024
  20. Japan

    #334 of 366

    2,640 births on an average April 13

    e-Stat, 1996–⁠2025
  21. Slovenia

    #335 of 366

    49 births on an average April 13

    SURS, 2000–⁠2025
  22. Chile

    #340 of 366

    659 births on an average April 13

    DEIS, 1990–⁠2017
  23. Germany

    #340 of 366

    1,888 births on an average April 13

    Destatis, 2014–⁠2025
  24. Belgium

    #351 of 366

    300 births on an average April 13

    Statbel, 1992–⁠2025
  25. Netherlands

    #354 of 366

    461 births on an average April 13

    CBS, 1995–⁠2025
  26. England & Wales

    #358 of 366

    1,701 births on an average April 13

    ONS, 1995–⁠2025
Zoom out

April against the other eleven

April 13 is the 2nd rarest of the 30 days in April. All April birthdays.

April is the 2nd rarest month of the year

An average April day sees 10,557 births in the United States. September is the busiest month, January the quietest.

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

April 13#343 of 36610,368 births a year

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD151015202530
RarestMost common

Compare with a friend

See how April 13 stacks up against someone else's birthday.

YouApril 13
#343Rank
10,368Births a year
Friend
Questions

Quick answers

How many babies are born on April 13?

About 10,368 a year in the United States. It was at its most common in 1971, when 10,296 babies were born and it ranked #106 of 365; at its rarest in 1975, with 7,002 births at #365.

Is April 13 a common birthday?

In the United States, April 13 is the 24th rarest of 366 dates, with about 10,368 births a year. That puts it on the rarer side of the calendar.

What is the rarest April birthday?

In the United States, April 1: the 15th rarest of all 366 dates, with about 10,016 births a year. The most common April birthday is April 4, the 177th most common of the year.

How precise is the ranking?

In the middle of the calendar it is not exact. 25 other dates are within 1% of April 13's count, spread from #324 to #349, 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 April 13 rarer in other countries?

In some. It is rarer in 3 of the 26 other countries we hold daily records for. It is at its rarest in England & Wales, at #358 of 366, and at its most common in Argentina, at #25.

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