Is April 9 a rare birthday? Uncommon

Rarer than 90% of all 366 dates.

April 9 #328
Most commonSeptember 9RarestDecember 25
Cartoon birthday scene for April 9: a child behind a cake whose candles spell the date
At a glance

April 9 in numbers

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

Born each year≈ 10,457in the United States — about 898,000 of them are alive today
In a full stadium132 peopleof 50,000 were born on April 9
On the day itselfEvery 8 secondsa baby is born on April 9 somewhere in the United States
Star signAriesrarer than 27 of the 30 Aries birthdays
Half-birthdayOctober 9six months later, to the day
Conceived aroundJuly 17A summer night, then.
Birth frequency by rank

Where April 9 ranks

From most common birthday to rarest, April 9 ranks in position #328, with 10,457 births a year. 327 other dates are more common. 55 dates are within 1% of its count, anywhere from #288 to #343, so the exact position is a close thing.

56 years of records

April 9 through the years

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

Fell on a weekdayOn a weekend
rarestmost
common
1969, Wednesday: rank #197 of 365, 9,852 births1970, Thursday: rank #246 of 365, 9,898 births1971, Friday: rank #211 of 365, 9,756 births1972, Sunday: rank #355 of 366, 7,535 births1973, Monday: rank #244 of 365, 8,449 births1974, Tuesday: rank #146 of 365, 8,917 births1975, Wednesday: rank #179 of 365, 8,823 births1976, Friday: rank #262 of 366, 8,287 births1977, Saturday: rank #342 of 365, 7,734 births1978, Sunday: rank #359 of 365, 7,463 births1979, Monday: rank #195 of 365, 9,647 births1980, Wednesday: rank #204 of 366, 9,957 births1981, Thursday: rank #212 of 365, 10,052 births1982, Friday: rank #232 of 365, 10,099 births1983, Saturday: rank #294 of 365, 8,785 births1984, Monday: rank #223 of 366, 10,033 births1985, Tuesday: rank #203 of 365, 10,541 births1986, Wednesday: rank #179 of 365, 10,656 births1987, Thursday: rank #203 of 365, 10,810 births1988, Saturday: rank #333 of 366, 8,701 births1989, Sunday: rank #358 of 365, 8,533 births1990, Monday: rank #212 of 365, 11,668 births1991, Tuesday: rank #92 of 365, 12,332 births1992, Thursday: rank #132 of 366, 11,987 births1993, Friday: rank #226 of 365, 11,260 births1994, Saturday: rank #294 of 365, 8,791 births1995, Sunday: rank #347 of 365, 7,839 births1996, Tuesday: rank #125 of 366, 11,631 births1997, Wednesday: rank #188 of 365, 11,356 births1998, Thursday: rank #134 of 365, 11,868 births1999, Friday: rank #204 of 365, 11,550 births2000, Sunday: rank #356 of 366, 7,628 births2001, Monday: rank #231 of 365, 11,349 births2002, Tuesday: rank #93 of 365, 12,465 births2003, Wednesday: rank #189 of 365, 12,172 births2004, Friday: rank #240 of 366, 11,571 births2005, Saturday: rank #295 of 365, 8,252 births2006, Sunday: rank #356 of 365, 7,238 births2007, Monday: rank #248 of 365, 11,963 births2008, Wednesday: rank #193 of 366, 12,815 births2009, Thursday: rank #83 of 365, 13,114 births2010, Friday: rank #223 of 365, 11,821 births2011, Saturday: rank #296 of 365, 7,762 births2012, Monday: rank #241 of 366, 11,126 births2013, Tuesday: rank #158 of 365, 11,924 births2014, Wednesday: rank #204 of 365, 11,769 births2015, Thursday: rank #186 of 365, 11,874 births2016, Saturday: rank #302 of 366, 7,958 births2017, Sunday: rank #350 of 365, 6,912 births2018, Monday: rank #238 of 365, 10,814 births2019, Tuesday: rank #140 of 365, 11,393 births2020, Thursday: rank #181 of 366, 10,815 births2021, Friday: rank #213 of 365, 10,552 births2022, Saturday: rank #296 of 365, 7,618 births2023, Sunday: rank #363 of 365, 6,043 births2024, Tuesday: rank #197 of 366, 10,675 births1970198019902000201020202024

On a weekend it slips to #331, from #193 on a working day

Inductions and planned caesareans are booked on working days, so 28.7% fewer babies arrive and the date falls down the ranking. Each bar is the average rank of the years it landed on that day.

#229
Mon
#144
Tue
#192
Wed
#172
Thu
#226
Fri
#307
Sat
#356
Sun
Most common year
2009#83 of 365Thursday · 13,114 births
Rarest year
2023#363 of 365Sunday · 6,043 births
Weekend years
16 of 5629% of the record2023 was the most recent
Around the world

April 9 in other countries

April 9 is the 39th rarest birthday in the United States. It is among the 50 rarest in 7 of the 26 other countries, and ranges from #69 in Brazil to #349 in Mexico.

  1. Brazil

    #69 of 366

    8,497 births on an average April 9

    DATASUS, 1997–⁠2024
  2. Peru

    #149 of 366

    1,213 births on an average April 9

    INEI, 2019–⁠2025
  3. Argentina

    #162 of 366

    1,532 births on an average April 9

    DEIS, 2018–⁠2023
  4. Ecuador

    #164 of 366

    769 births on an average April 9

    INEC, 2013–⁠2023
  5. Latvia

    #169 of 366

    54 births on an average April 9

    CSB, 1996–⁠2025
  6. Norway

    #192 of 366

    156 births on an average April 9

    SSB, 2011–⁠2025
  7. Slovenia

    #222 of 366

    52 births on an average April 9

    SURS, 2000–⁠2025
  8. New Zealand

    #225 of 366

    156 births on an average April 9

    Stats NZ, 1980–⁠2023
  9. Switzerland

    #225 of 366

    221 births on an average April 9

    FSO, 1969–⁠2025
  10. Chile

    #247 of 366

    682 births on an average April 9

    DEIS, 1990–⁠2017
  11. Finland

    #252 of 366

    138 births on an average April 9

    Statistics Finland, 2010–⁠2025
  12. Malaysia

    #258 of 366

    1,376 births on an average April 9

    DOSM, 2000–⁠2022
  13. Germany

    #275 of 366

    1,949 births on an average April 9

    Destatis, 2014–⁠2025
  14. Guatemala

    #287 of 366

    916 births on an average April 9

    INE Guatemala, 2018–⁠2024
  15. Costa Rica

    #289 of 366

    162 births on an average April 9

    INEC Costa Rica, 2014–⁠2024
  16. Hungary

    #289 of 366

    317 births on an average April 9

    KSH, 1970–⁠2020
  17. Belgium

    #291 of 366

    318 births on an average April 9

    Statbel, 1992–⁠2025
  18. Netherlands

    #300 of 366

    483 births on an average April 9

    CBS, 1995–⁠2025
  19. Philippines

    #316 of 366

    4,167 births on an average April 9

    PSA, 2006–⁠2024
  20. Ireland

    #317 of 366

    163 births on an average April 9

    CSO, 1980–⁠2023
  21. Portugal

    #323 of 366

    284 births on an average April 9

    INE Portugal, 1980–⁠2025
  22. Japan

    #326 of 366

    2,665 births on an average April 9

    e-Stat, 1996–⁠2025
  23. England & Wales

    #329 of 366

    1,739 births on an average April 9

    ONS, 1995–⁠2025
  24. Denmark

    #331 of 366

    154 births on an average April 9

    Statistics Denmark, 2007–⁠2025
  25. France

    #343 of 366

    2,047 births on an average April 9

    INSEE, 1998–⁠2024
  26. Mexico

    #349 of 366

    4,582 births on an average April 9

    INEGI, 2017–⁠2023
Zoom out

April against the other eleven

April 9 is the 5th 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 9#328 of 36610,457 births a year

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD151015202530
RarestMost common

Compare with a friend

See how April 9 stacks up against someone else's birthday.

YouApril 9
#328Rank
10,457Births a year
Friend
Questions

Quick answers

How many babies are born on April 9?

About 10,457 a year in the United States. It was at its most common in 2009, when 13,114 babies were born and it ranked #83 of 365; at its rarest in 2023, with 6,043 births at #363.

Is April 9 a common birthday?

In the United States, April 9 is the 39th rarest of 366 dates, with about 10,457 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. 55 other dates are within 1% of April 9's count, spread from #288 to #343, 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 9 rarer in other countries?

In some. It is rarer in 4 of the 26 other countries we hold daily records for. It is at its rarest in Mexico, at #349 of 366, and at its most common in Brazil, at #69.

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