Is December 30 a rare birthday? Popular

More common than 90% of all 366 dates.

December 30 #37
Most commonSeptember 9RarestDecember 25
Cartoon birthday scene for December 30: a child behind a cake whose candles spell the date
At a glance

December 30 in numbers

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

Born each year≈ 11,459in the United States — about 987,000 of them are alive today
In a full stadium144 peopleof 50,000 were born on December 30
On the day itselfEvery 8 secondsa baby is born on December 30 somewhere in the United States
Star signCapricornmore common than 26 of the 29 Capricorn birthdays
Half-birthdayJune 30six months later, to the day
Conceived aroundApril 8Right around April Fools' Day.
Birth frequency by rank

Where December 30 ranks

From most common birthday to rarest, December 30 ranks in position #37, with 11,459 births a year. 329 other dates are rarer. 43 dates are within 1% of its count, anywhere from #20 to #63, so the exact position is a close thing.

56 years of records

December 30 through the years

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

Fell on a weekdayOn a weekend
rarestmost
common
1969, Tuesday: rank #1 of 365, 12,232 births1970, Wednesday: rank #3 of 365, 11,932 births1971, Thursday: rank #138 of 365, 10,156 births1972, Saturday: rank #269 of 366, 8,557 births1973, Sunday: rank #345 of 365, 7,365 births1974, Monday: rank #45 of 365, 9,641 births1975, Tuesday: rank #1 of 365, 10,144 births1976, Thursday: rank #20 of 366, 9,851 births1977, Friday: rank #70 of 365, 9,806 births1978, Saturday: rank #281 of 365, 8,487 births1979, Sunday: rank #331 of 365, 8,250 births1980, Tuesday: rank #3 of 366, 11,603 births1981, Wednesday: rank #55 of 365, 11,036 births1982, Thursday: rank #81 of 365, 10,886 births1983, Friday: rank #38 of 365, 11,001 births1984, Sunday: rank #332 of 366, 8,386 births1985, Monday: rank #27 of 365, 11,644 births1986, Tuesday: rank #5 of 365, 12,237 births1987, Wednesday: rank #24 of 365, 11,843 births1988, Friday: rank #69 of 366, 11,837 births1989, Saturday: rank #272 of 365, 9,794 births1990, Sunday: rank #330 of 365, 9,162 births1991, Monday: rank #70 of 365, 12,492 births1992, Wednesday: rank #9 of 366, 12,852 births1993, Thursday: rank #38 of 365, 12,449 births1994, Friday: rank #84 of 365, 12,051 births1995, Saturday: rank #268 of 365, 9,093 births1996, Monday: rank #83 of 366, 11,911 births1997, Tuesday: rank #1 of 365, 13,521 births1998, Wednesday: rank #4 of 365, 13,297 births1999, Thursday: rank #127 of 365, 11,935 births2000, Saturday: rank #267 of 366, 9,177 births2001, Sunday: rank #328 of 365, 7,679 births2002, Monday: rank #54 of 365, 12,906 births2003, Tuesday: rank #1 of 365, 14,438 births2004, Thursday: rank #54 of 366, 13,098 births2005, Friday: rank #104 of 365, 13,000 births2006, Saturday: rank #260 of 365, 9,368 births2007, Sunday: rank #313 of 365, 8,092 births2008, Tuesday: rank #1 of 366, 15,387 births2009, Wednesday: rank #36 of 365, 13,577 births2010, Thursday: rank #26 of 365, 13,115 births2011, Friday: rank #118 of 365, 12,307 births2012, Sunday: rank #325 of 366, 7,463 births2013, Monday: rank #27 of 365, 12,950 births2014, Tuesday: rank #1 of 365, 13,826 births2015, Wednesday: rank #17 of 365, 13,100 births2016, Friday: rank #108 of 366, 12,185 births2017, Saturday: rank #265 of 365, 8,675 births2018, Sunday: rank #322 of 365, 7,278 births2019, Monday: rank #68 of 365, 11,783 births2020, Wednesday: rank #66 of 366, 11,365 births2021, Thursday: rank #63 of 365, 11,675 births2022, Friday: rank #67 of 365, 11,596 births2023, Saturday: rank #258 of 365, 8,360 births2024, Monday: rank #45 of 366, 11,553 births1970198019902000201020202024

On a weekend it slips to #298, from #46 on a working day

Inductions and planned caesareans are booked on working days, so 30.2% fewer babies arrive and the date falls down the ranking. Each bar is the average rank of the years it landed on that day.

#52
Mon
#2
Tue
#27
Wed
#68
Thu
#82
Fri
#268
Sat
#328
Sun
Most common year
1969#1 of 365Tuesday · 12,232 births
Rarest year
1973#345 of 365Sunday · 7,365 births
Weekend years
16 of 5629% of the record2023 was the most recent
Around the world

December 30 in other countries

December 30 is the 37th most common birthday in the United States. It is among the 50 most common in 3 of the 26 other countries, and ranges from #38 in New Zealand to #362 in Norway.

  1. New Zealand

    #38 of 366

    163 births on an average December 30

    Stats NZ, 1980–⁠2023
  2. England & Wales

    #42 of 366

    1,840 births on an average December 30

    ONS, 1995–⁠2025
  3. Ireland

    #49 of 366

    174 births on an average December 30

    CSO, 1980–⁠2023
  4. Netherlands

    #184 of 366

    496 births on an average December 30

    CBS, 1995–⁠2025
  5. Costa Rica

    #199 of 366

    166 births on an average December 30

    INEC Costa Rica, 2014–⁠2024
  6. Germany

    #246 of 366

    1,964 births on an average December 30

    Destatis, 2014–⁠2025
  7. Hungary

    #276 of 366

    318 births on an average December 30

    KSH, 1970–⁠2020
  8. Denmark

    #294 of 366

    158 births on an average December 30

    Statistics Denmark, 2007–⁠2025
  9. France

    #304 of 366

    2,087 births on an average December 30

    INSEE, 1998–⁠2024
  10. Philippines

    #306 of 366

    4,223 births on an average December 30

    PSA, 2006–⁠2024
  11. Belgium

    #319 of 366

    314 births on an average December 30

    Statbel, 1992–⁠2025
  12. Malaysia

    #337 of 366

    1,324 births on an average December 30

    DOSM, 2000–⁠2022
  13. Slovenia

    #340 of 366

    49 births on an average December 30

    SURS, 2000–⁠2025
  14. Portugal

    #342 of 366

    281 births on an average December 30

    INE Portugal, 1980–⁠2025
  15. Mexico

    #347 of 366

    4,591 births on an average December 30

    INEGI, 2017–⁠2023
  16. Chile

    #352 of 366

    613 births on an average December 30

    DEIS, 1990–⁠2017
  17. Finland

    #352 of 366

    127 births on an average December 30

    Statistics Finland, 2010–⁠2025
  18. Peru

    #353 of 366

    1,086 births on an average December 30

    INEI, 2019–⁠2025
  19. Argentina

    #354 of 366

    1,197 births on an average December 30

    DEIS, 2018–⁠2023
  20. Latvia

    #354 of 366

    47 births on an average December 30

    CSB, 1996–⁠2025
  21. Switzerland

    #354 of 366

    203 births on an average December 30

    FSO, 1969–⁠2025
  22. Japan

    #356 of 366

    2,165 births on an average December 30

    e-Stat, 1996–⁠2025
  23. Brazil

    #359 of 366

    6,803 births on an average December 30

    DATASUS, 1997–⁠2024
  24. Ecuador

    #359 of 366

    674 births on an average December 30

    INEC, 2013–⁠2023
  25. Guatemala

    #360 of 366

    805 births on an average December 30

    INE Guatemala, 2018–⁠2024
  26. Norway

    #362 of 366

    120 births on an average December 30

    SSB, 2011–⁠2025
Zoom out

December against the other eleven

December 30 is the 5th most common of the 31 days in December. All December birthdays.

December is the 4th rarest month of the year

An average December day sees 10,633 births in the United States. September is the busiest month, January the quietest.

December 30 is the 3rd most common 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

December 30#37 of 36611,459 births a year

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD151015202530
RarestMost common

Compare with a friend

See how December 30 stacks up against someone else's birthday.

YouDecember 30
#37Rank
11,459Births a year
Friend
Questions

Quick answers

How many babies are born on December 30?

About 11,459 a year in the United States. It was at its most common in 1969, when 12,232 babies were born and it ranked #1 of 365; at its rarest in 1973, with 7,365 births at #345.

Is December 30 a common birthday?

In the United States, December 30 is the 37th most common of 366 dates, with about 11,459 births a year. That puts it among the more common birthdays.

What is the rarest December birthday?

In the United States, December 25: the rarest of all 366 dates, with about 6,546 births a year. The most common December birthday is December 28, the 6th most common of the year.

How precise is the ranking?

In the middle of the calendar it is not exact. 43 other dates are within 1% of December 30's count, spread from #20 to #63, 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 December 30 rarer in other countries?

Yes, in all 26 other countries we hold daily records for. It is at its rarest in Norway, at #362 of 366, and at its most common in New Zealand, at #38.

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