birthday traffic

How rare is a Christmas birthday?

Published by Birthday Traffic · · Sources and method

In every daily national series this site holds, the days around Christmas are the quietest of the year, and Christmas Day itself is the quietest or second-quietest date in four of the five countries compared over the matched years 2007–2014. In the United States it ranks #366 of 366 at index 56, where 100 is an average day; in Denmark the quietest date is December 24 and in England and Wales December 26, with Christmas Day next. Malaysia, where the day is one public holiday among many, ranks #364. The second half of this page follows Christmas Day year by year: in each long series it has grown quieter, from index 84 in the United States of 1969 to 61 in 2014, and from 86 in France in 1968 to 73 in 2023. The series record births by date. Whether a quiet Christmas reflects scheduling, recording practice or something else is outside them.

Five countries, matched years

Countries are compared only over 2007–2014, which every daily source covers completely, by rank or index within each country. Each row is one date; each cell is that country’s rank of 366 and index.

Christmas and New Year dates, rank of 366 and index (100 = the country’s average day), 2007–2014
DateUnited StatesEngland & WalesDenmarkFranceMalaysia
Christmas Eve#364 · 73#291 · 98#366 · 69#358 · 91#196 · 99
Christmas Day#366 · 56#365 · 81#365 · 69#366 · 79#364 · 90
December 26#358 · 87#366 · 77#363 · 76#241 · 99#342 · 94
New Year’s Eve#233 · 98#44 · 104#362 · 81#321 · 96#333 · 95
New Year’s Day#365 · 67#364 · 87#364 · 73#365 · 80#304 · 96

The quietest date of all in each country over the same window: December 25 in United States (index 56), December 26 in England & Wales (index 77), December 24 in Denmark (index 69), December 25 in France (index 79), May 1 in Malaysia (index 89). New Year’s Eve differs most: #44 in England and Wales against #233 in the United States.

United States: December 15 to January 10, index (100 = average day), 2007–2014

Births per occurrence for each date from December 15 to January 10 in United States, indexed to the country’s own average day over the matched window.

United States: December 15 to January 10, index (100 = average day), 2007–2014Births per occurrence for each date from December 15 to January 10 in United States, indexed to the country’s own average day over the matched window.406080100120DecJanDecember 15: 96.6December 16: 101.9December 17: 110.2December 18: 108.0December 19: 106.7December 20: 103.0December 21: 103.0December 22: 101.0December 23: 94.8December 24: 72.9December 25: 56.4December 26: 86.9December 27: 103.0December 28: 104.9December 29: 105.0December 30: 108.3December 31: 98.3January 1: 67.4January 2: 86.4January 3: 99.9January 4: 101.8January 5: 97.4January 6: 94.2January 7: 98.9January 8: 99.2January 9: 98.0January 10: 98.7100 = average dayDecember 25: 56.4Dec 25January 1: 67.4Jan 1
The dip is deepest on December 25.

England & Wales: December 15 to January 10, index (100 = average day), 2007–2014

Births per occurrence for each date from December 15 to January 10 in England & Wales, indexed to the country’s own average day over the matched window.

England & Wales: December 15 to January 10, index (100 = average day), 2007–2014Births per occurrence for each date from December 15 to January 10 in England & Wales, indexed to the country’s own average day over the matched window.708090100110DecJanDecember 15: 97.9December 16: 101.0December 17: 103.9December 18: 102.7December 19: 103.1December 20: 101.5December 21: 101.6December 22: 101.3December 23: 102.0December 24: 97.8December 25: 80.5December 26: 76.6December 27: 90.2December 28: 94.2December 29: 100.5December 30: 104.9December 31: 103.7January 1: 86.8January 2: 97.1January 3: 99.5January 4: 101.4January 5: 100.1January 6: 98.3January 7: 98.7January 8: 98.9January 9: 99.3January 10: 98.6100 = average dayDecember 25: 80.5Dec 25January 1: 86.8Jan 1
The dip is deepest on December 26.

Denmark: December 15 to January 10, index (100 = average day), 2007–2014

Births per occurrence for each date from December 15 to January 10 in Denmark, indexed to the country’s own average day over the matched window.

Denmark: December 15 to January 10, index (100 = average day), 2007–2014Births per occurrence for each date from December 15 to January 10 in Denmark, indexed to the country’s own average day over the matched window.60708090100110DecJanDecember 15: 91.5December 16: 99.3December 17: 92.3December 18: 97.0December 19: 95.3December 20: 93.1December 21: 93.0December 22: 92.3December 23: 92.6December 24: 68.5December 25: 69.4December 26: 75.8December 27: 96.2December 28: 100.8December 29: 99.7December 30: 96.8December 31: 80.6January 1: 73.1January 2: 91.3January 3: 99.6January 4: 99.2January 5: 98.1January 6: 101.1January 7: 94.5January 8: 97.1January 9: 92.2January 10: 99.2100 = average dayDecember 25: 69.4Dec 25January 1: 73.1Jan 1
The dip is deepest on December 24.

France: December 15 to January 10, index (100 = average day), 2007–2014

Births per occurrence for each date from December 15 to January 10 in Metropolitan France, indexed to the country’s own average day over the matched window.

France: December 15 to January 10, index (100 = average day), 2007–2014Births per occurrence for each date from December 15 to January 10 in Metropolitan France, indexed to the country’s own average day over the matched window.708090100110120DecJanDecember 15: 101.1December 16: 104.1December 17: 108.1December 18: 106.5December 19: 105.8December 20: 102.1December 21: 97.9December 22: 96.5December 23: 93.4December 24: 91.1December 25: 78.7December 26: 98.8December 27: 101.0December 28: 102.9December 29: 99.4December 30: 99.5December 31: 96.0January 1: 80.4January 2: 94.3January 3: 101.1January 4: 101.6January 5: 99.9January 6: 97.9January 7: 99.7January 8: 99.0January 9: 97.8January 10: 99.8100 = average dayDecember 25: 78.7Dec 25January 1: 80.4Jan 1
The dip is deepest on December 25.

Malaysia: December 15 to January 10, index (100 = average day), 2007–2014

Births per occurrence for each date from December 15 to January 10 in Malaysia, indexed to the country’s own average day over the matched window.

Malaysia: December 15 to January 10, index (100 = average day), 2007–2014Births per occurrence for each date from December 15 to January 10 in Malaysia, indexed to the country’s own average day over the matched window.859095100105DecJanDecember 15: 99.6December 16: 98.8December 17: 101.6December 18: 99.9December 19: 100.3December 20: 95.1December 21: 95.8December 22: 98.7December 23: 101.9December 24: 99.4December 25: 89.7December 26: 94.0December 27: 95.1December 28: 96.0December 29: 93.1December 30: 95.5December 31: 94.9January 1: 96.0January 2: 96.7January 3: 101.9January 4: 97.0January 5: 98.9January 6: 96.2January 7: 97.9January 8: 96.8January 9: 96.1January 10: 95.8100 = average dayDecember 25: 89.7Dec 25January 1: 96.0Jan 1
The dip is deepest on December 25.

Christmas Day, year by year

Each long series against itself: births on December 25 against that year’s average day, one point per year. The lines are drawn separately; the U.S. line has a gap where 1989–1993 fall between its two files.

United States: Christmas Day as an index of the year’s average day, 1969–1988 and 1994–2014

Births on December 25 against the average day of the same year in United States, one point per year, with 1989 to 1993 left blank.

United States: Christmas Day as an index of the year’s average day, 1969–1988 and 1994–2014Births on December 25 against the average day of the same year in United States, one point per year, with 1989 to 1993 left blank.405060708090FiveThirtyEight files from 19941969197419791984198919941999200420092014Dec 25 index, 1969: 84.0Dec 25 index, 1970: 83.0Dec 25 index, 1971: 74.2Dec 25 index, 1972: 81.1Dec 25 index, 1973: 80.8Dec 25 index, 1974: 78.5Dec 25 index, 1975: 82.7Dec 25 index, 1976: 82.8Dec 25 index, 1977: 81.1Dec 25 index, 1978: 85.9Dec 25 index, 1979: 83.1Dec 25 index, 1980: 80.7Dec 25 index, 1981: 80.6Dec 25 index, 1982: 77.5Dec 25 index, 1983: 76.6Dec 25 index, 1984: 78.2Dec 25 index, 1985: 77.9Dec 25 index, 1986: 78.7Dec 25 index, 1987: 75.4Dec 25 index, 1988: 73.3Dec 25 index, 1994: 66.4Dec 25 index, 1995: 65.8Dec 25 index, 1996: 66.7Dec 25 index, 1997: 66.4Dec 25 index, 1998: 65.0Dec 25 index, 1999: 61.5Dec 25 index, 2000: 59.3Dec 25 index, 2001: 58.6Dec 25 index, 2002: 60.3Dec 25 index, 2003: 59.1Dec 25 index, 2004: 54.7Dec 25 index, 2005: 53.9Dec 25 index, 2006: 54.0Dec 25 index, 2007: 55.2Dec 25 index, 2008: 54.9Dec 25 index, 2009: 53.6Dec 25 index, 2010: 55.4Dec 25 index, 2011: 52.2Dec 25 index, 2012: 57.9Dec 25 index, 2013: 60.8Dec 25 index, 2014: 61.4Dec 25 index
84 in 1969, 61 in 2014; the low is 52 in 2011.

Metropolitan France: Christmas Day as an index of the year’s average day, 1968–2023

Births on December 25 against the average day of the same year in Metropolitan France, one point per year.

Metropolitan France: Christmas Day as an index of the year’s average day, 1968–2023Births on December 25 against the average day of the same year in Metropolitan France, one point per year.60708090100196819731978198319881993199820032008201320182023Dec 25 index, 1968: 86.0Dec 25 index, 1969: 91.8Dec 25 index, 1970: 95.1Dec 25 index, 1971: 83.4Dec 25 index, 1972: 89.7Dec 25 index, 1973: 78.9Dec 25 index, 1974: 82.2Dec 25 index, 1975: 78.4Dec 25 index, 1976: 80.0Dec 25 index, 1977: 81.4Dec 25 index, 1978: 79.6Dec 25 index, 1979: 82.6Dec 25 index, 1980: 78.2Dec 25 index, 1981: 78.9Dec 25 index, 1982: 72.8Dec 25 index, 1983: 75.8Dec 25 index, 1984: 75.4Dec 25 index, 1985: 79.3Dec 25 index, 1986: 76.6Dec 25 index, 1987: 68.8Dec 25 index, 1988: 72.8Dec 25 index, 1989: 75.1Dec 25 index, 1990: 70.6Dec 25 index, 1991: 68.3Dec 25 index, 1992: 70.2Dec 25 index, 1993: 68.6Dec 25 index, 1994: 67.1Dec 25 index, 1995: 72.4Dec 25 index, 1996: 68.2Dec 25 index, 1997: 69.4Dec 25 index, 1998: 70.9Dec 25 index, 1999: 76.5Dec 25 index, 2000: 72.1Dec 25 index, 2001: 72.2Dec 25 index, 2002: 73.5Dec 25 index, 2003: 74.4Dec 25 index, 2004: 74.6Dec 25 index, 2005: 74.5Dec 25 index, 2006: 72.6Dec 25 index, 2007: 78.2Dec 25 index, 2008: 73.1Dec 25 index, 2009: 79.3Dec 25 index, 2010: 77.3Dec 25 index, 2011: 76.2Dec 25 index, 2012: 78.4Dec 25 index, 2013: 84.6Dec 25 index, 2014: 82.8Dec 25 index, 2015: 78.1Dec 25 index, 2016: 76.5Dec 25 index, 2017: 77.0Dec 25 index, 2018: 78.7Dec 25 index, 2019: 80.1Dec 25 index, 2020: 73.2Dec 25 index, 2021: 80.0Dec 25 index, 2022: 75.5Dec 25 index, 2023: 72.8Dec 25 index
86 in 1968, 73 in 2023; the low is 67 in 1994.

England and Wales: Christmas Day as an index of the year’s average day, 1995–2025

Births on December 25 against the average day of the same year in England and Wales, one point per year.

England and Wales: Christmas Day as an index of the year’s average day, 1995–2025Births on December 25 against the average day of the same year in England and Wales, one point per year.606570758085901995200020052010201520202025Dec 25 index, 1995: 72.6Dec 25 index, 1996: 77.0Dec 25 index, 1997: 78.4Dec 25 index, 1998: 80.0Dec 25 index, 1999: 77.8Dec 25 index, 2000: 72.4Dec 25 index, 2001: 75.3Dec 25 index, 2002: 79.7Dec 25 index, 2003: 78.4Dec 25 index, 2004: 76.9Dec 25 index, 2005: 78.3Dec 25 index, 2006: 75.7Dec 25 index, 2007: 84.3Dec 25 index, 2008: 78.6Dec 25 index, 2009: 82.9Dec 25 index, 2010: 85.9Dec 25 index, 2011: 80.4Dec 25 index, 2012: 77.9Dec 25 index, 2013: 78.6Dec 25 index, 2014: 75.6Dec 25 index, 2015: 81.0Dec 25 index, 2016: 73.1Dec 25 index, 2017: 74.4Dec 25 index, 2018: 71.8Dec 25 index, 2019: 72.0Dec 25 index, 2020: 67.7Dec 25 index, 2021: 72.1Dec 25 index, 2022: 69.8Dec 25 index, 2023: 68.7Dec 25 index, 2024: 70.3Dec 25 index, 2025: 65.7Dec 25 index
73 in 1995, 66 in 2025; the low is 66 in 2025.

Denmark: Christmas Day as an index of the year’s average day, 2007–2025

Births on December 25 against the average day of the same year in Denmark, one point per year.

Denmark: Christmas Day as an index of the year’s average day, 2007–2025Births on December 25 against the average day of the same year in Denmark, one point per year.50607080902007201020132016201920222025Dec 25 index, 2007: 74.6Dec 25 index, 2008: 60.8Dec 25 index, 2009: 73.8Dec 25 index, 2010: 66.2Dec 25 index, 2011: 56.3Dec 25 index, 2012: 77.7Dec 25 index, 2013: 81.7Dec 25 index, 2014: 64.8Dec 25 index, 2015: 72.1Dec 25 index, 2016: 64.2Dec 25 index, 2017: 68.4Dec 25 index, 2018: 73.6Dec 25 index, 2019: 65.0Dec 25 index, 2020: 69.7Dec 25 index, 2021: 69.0Dec 25 index, 2022: 78.1Dec 25 index, 2023: 76.9Dec 25 index, 2024: 64.8Dec 25 index, 2025: 66.3Dec 25 index
75 in 2007, 66 in 2025; the low is 56 in 2011.
Christmas Day and New Year’s Day as an index of the year’s average day, first and last year of each series
SeriesYearsDec 25, first yearDec 25, last yearJan 1, first yearJan 1, last year
United States1969–1988 and 1994–201484618673
Metropolitan France1968–202386739180
England and Wales1995–202573668676
Denmark2007–202575667476

A falling index means only that a smaller share of the year’s births fell on the day. In every one of these series a Saturday or Sunday records fewer births than a weekday, and December 25 falls on a weekend about two years in seven, so single years move with the calendar. The direction across decades outlasts single-year moves.

Check how rare your own birthday is → · December 25 in the U.S., date by date · Labor Day and Thanksgiving · U.S. fixed-date holidays, 1969–1988 against 1994–2014

Sources, method and limits

Sources: the five matched series named on the five-country comparison (CDC/NCHS and SSA via FiveThirtyEight, ONS Table 12, Statistics Denmark FODDAG, INSEE T79jnais, Malaysia’s National Registration Department via data.gov.my), compared over 2007–2014 by births per occurrence within each country. Long series: United States 1969–1988 and 1994–2014 (two compilations of federal records (data-CDCbirths, then FiveThirtyEight); 1989–1993 are outside both files); Metropolitan France 1968–2023 (INSEE T79jnais); England and Wales 1995–2025 (ONS Table 12); Denmark 2007–2025 (Statistics Denmark FODDAG). Each yearly index is births on the date divided by that year’s births per day in the same series.

Ranks and indices are within one country and one window. The pages for December 25 and January 1 carry the U.S. figures in full.

Every figure above comes from the administrative records named here, at the granularity those records publish: a day, a month or a year. Coverage and definitions differ between countries and eras, so two sources are combined only where their documentation states the windows are separate, and the page where that happens says so.

Full method, leap-day treatment and definitions.

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