Is October 31 a rare birthday? Rare

Rarer than 97% of all 366 dates.

Halloween is quieter than the days around it: parents who can choose a date tend to skip 31 October.

October 31 #356
Most commonSeptember 9RarestDecember 25
Cartoon birthday scene for October 31: a child behind a cake whose candles spell the date
At a glance

Halloween in numbers

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

Born each year≈ 9,798in the United States — about 856,000 of them are alive today
In a full stadium123 peopleof 50,000 were born on October 31
On the day itselfEvery 9 secondsa baby is born on October 31 somewhere in the United States
Star signScorpiothe rarest of the 30 Scorpio birthdays
Half-birthdayApril 30six months later, to the day
Conceived aroundFebruary 7Right around Valentine's Day.
Birth frequency by rank

Where October 31 ranks

From most common birthday to rarest, October 31 ranks in position #356, with 9,798 births a year. 355 other dates are more common.

56 years of records

October 31 through the years

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

Fell on a weekdayOn a weekend
rarestmost
common
1969, Friday: rank #141 of 365, 10,144 births1970, Saturday: rank #281 of 365, 9,592 births1971, Sunday: rank #325 of 365, 8,616 births1972, Tuesday: rank #127 of 366, 9,292 births1973, Wednesday: rank #206 of 365, 8,695 births1974, Thursday: rank #149 of 365, 8,913 births1975, Friday: rank #235 of 365, 8,548 births1976, Sunday: rank #279 of 366, 8,078 births1977, Monday: rank #240 of 365, 9,037 births1978, Tuesday: rank #151 of 365, 9,349 births1979, Wednesday: rank #186 of 365, 9,684 births1980, Friday: rank #161 of 366, 10,101 births1981, Saturday: rank #314 of 365, 8,643 births1982, Sunday: rank #302 of 365, 8,876 births1983, Monday: rank #251 of 365, 9,679 births1984, Wednesday: rank #222 of 366, 10,033 births1985, Thursday: rank #237 of 365, 10,246 births1986, Friday: rank #250 of 365, 10,122 births1987, Saturday: rank #295 of 365, 8,885 births1988, Monday: rank #256 of 366, 9,979 births1989, Tuesday: rank #224 of 365, 11,182 births1990, Wednesday: rank #245 of 365, 11,302 births1991, Thursday: rank #251 of 365, 10,799 births1992, Saturday: rank #303 of 366, 9,160 births1993, Sunday: rank #339 of 365, 8,459 births1994, Monday: rank #254 of 365, 9,833 births1995, Tuesday: rank #232 of 365, 10,740 births1996, Thursday: rank #248 of 366, 10,313 births1997, Friday: rank #250 of 365, 10,142 births1998, Saturday: rank #315 of 365, 8,164 births1999, Sunday: rank #354 of 365, 7,495 births2000, Tuesday: rank #247 of 366, 11,069 births2001, Wednesday: rank #250 of 365, 10,601 births2002, Thursday: rank #251 of 365, 10,607 births2003, Friday: rank #251 of 365, 10,767 births2004, Sunday: rank #343 of 366, 7,444 births2005, Monday: rank #254 of 365, 10,040 births2006, Tuesday: rank #242 of 365, 11,831 births2007, Wednesday: rank #252 of 365, 11,545 births2008, Friday: rank #253 of 366, 10,839 births2009, Saturday: rank #317 of 365, 7,549 births2010, Sunday: rank #356 of 365, 6,835 births2011, Monday: rank #254 of 365, 9,670 births2012, Wednesday: rank #249 of 366, 10,852 births2013, Thursday: rank #249 of 365, 10,847 births2014, Friday: rank #252 of 365, 10,763 births2015, Saturday: rank #302 of 365, 8,049 births2016, Monday: rank #253 of 366, 10,160 births2017, Tuesday: rank #249 of 365, 10,645 births2018, Wednesday: rank #250 of 365, 10,234 births2019, Thursday: rank #247 of 365, 10,460 births2020, Saturday: rank #298 of 366, 7,464 births2021, Sunday: rank #340 of 365, 6,732 births2022, Monday: rank #254 of 365, 9,591 births2023, Tuesday: rank #233 of 365, 10,269 births2024, Thursday: rank #235 of 366, 10,284 births1970198019902000201020202024

On a weekend it slips to #316, from #231 on a working day

Inductions and planned caesareans are booked on working days, so 20.6% fewer babies arrive and the date falls down the ranking. Each bar is the average rank of the years it landed on that day.

#252
Mon
#213
Tue
#233
Wed
#233
Thu
#224
Fri
#303
Sat
#330
Sun
Most common year
1972#127 of 366Tuesday · 9,292 births
Rarest year
2010#356 of 365Sunday · 6,835 births
Weekend years
16 of 5629% of the record2021 was the most recent
Around the world

October 31 in other countries

October 31 is the 11th rarest birthday in the United States. It is among the 50 rarest in 10 of the 26 other countries, and ranges from #58 in Malaysia to #359 in Ireland and Slovenia.

  1. Malaysia

    #58 of 366

    1,453 births on an average October 31

    DOSM, 2000–⁠2022
  2. New Zealand

    #68 of 366

    161 births on an average October 31

    Stats NZ, 1980–⁠2023
  3. Philippines

    #89 of 366

    4,818 births on an average October 31

    PSA, 2006–⁠2024
  4. Costa Rica

    #128 of 366

    172 births on an average October 31

    INEC Costa Rica, 2014–⁠2024
  5. Mexico

    #170 of 366

    5,050 births on an average October 31

    INEGI, 2017–⁠2023
  6. Japan

    #171 of 366

    2,785 births on an average October 31

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

    #179 of 366

    1,787 births on an average October 31

    ONS, 1995–⁠2025
  8. Finland

    #205 of 366

    140 births on an average October 31

    Statistics Finland, 2010–⁠2025
  9. Portugal

    #206 of 366

    296 births on an average October 31

    INE Portugal, 1980–⁠2025
  10. Netherlands

    #232 of 366

    491 births on an average October 31

    CBS, 1995–⁠2025
  11. France

    #235 of 366

    2,121 births on an average October 31

    INSEE, 1998–⁠2024
  12. Denmark

    #272 of 366

    160 births on an average October 31

    Statistics Denmark, 2007–⁠2025
  13. Latvia

    #272 of 366

    51 births on an average October 31

    CSB, 1996–⁠2025
  14. Germany

    #297 of 366

    1,932 births on an average October 31

    Destatis, 2014–⁠2025
  15. Norway

    #302 of 366

    143 births on an average October 31

    SSB, 2011–⁠2025
  16. Ecuador

    #316 of 366

    719 births on an average October 31

    INEC, 2013–⁠2023
  17. Switzerland

    #328 of 366

    209 births on an average October 31

    FSO, 1969–⁠2025
  18. Guatemala

    #332 of 366

    900 births on an average October 31

    INE Guatemala, 2018–⁠2024
  19. Belgium

    #335 of 366

    310 births on an average October 31

    Statbel, 1992–⁠2025
  20. Chile

    #336 of 366

    661 births on an average October 31

    DEIS, 1990–⁠2017
  21. Hungary

    #338 of 366

    308 births on an average October 31

    KSH, 1970–⁠2020
  22. Argentina

    #344 of 366

    1,302 births on an average October 31

    DEIS, 2018–⁠2023
  23. Brazil

    #344 of 366

    7,338 births on an average October 31

    DATASUS, 1997–⁠2024
  24. Peru

    #356 of 366

    1,072 births on an average October 31

    INEI, 2019–⁠2025
  25. Ireland

    #359 of 366

    151 births on an average October 31

    CSO, 1980–⁠2023
  26. Slovenia

    #359 of 366

    45 births on an average October 31

    SURS, 2000–⁠2025
Zoom out

October against the other eleven

October 31 is the rarest of the 31 days in October. All October birthdays.

October is the 5th most common month of the year

An average October day sees 10,872 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

October 31#356 of 3669,798 births a year

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD151015202530
RarestMost common

Compare with a friend

See how October 31 stacks up against someone else's birthday.

YouOctober 31
#356Rank
9,798Births a year
Friend
Questions

Quick answers

Is Halloween a rare birthday?

Yes. Halloween is one of the twenty rarest US birthdays, well below the rest of late October. Births dip on 31 October, though not on the scale of Christmas or New Year's Day.

How many babies are born on October 31?

About 9,798 a year in the United States. It was at its most common in 1972, when 9,292 babies were born and it ranked #127 of 366; at its rarest in 2010, with 6,835 births at #356.

Is October 31 a common birthday?

In the United States, October 31 is the 11th rarest of 366 dates, with about 9,798 births a year. That puts it on the rarer side of the calendar.

What is the rarest October birthday?

In the United States, October 31: the 11th rarest of all 366 dates, with about 9,798 births a year. The most common October birthday is October 1, the 71st most common of the year.

How precise is the ranking?

For October 31 the rank is stable. Only 3 dates sit within 1% of its count, so the order does not depend on which years you count. In the crowded middle, dozens of dates can sit within a single percent of each other.

Is October 31 rarer in other countries?

In some. It is rarer in 2 of the 26 other countries we hold daily records for. It is at its rarest in Ireland and Slovenia, at #359 of 366, and at its most common in Malaysia, at #58.

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