Birthdays/January

January 27

Rank 301/366−2.7%

227,275 people born in the US between 1994 and 2014 have this birthday — one in 376 of them.

Rank of 366
#301the middle of the pack
Births a year
10,8231994–2014
Against an average day
−2.7%the average day of its own year
Born 1994–2014
227,275one in 376
Births on January 27, year by yearbirths recorded
05k10k15k20k1995200020052010

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January 27
United States · rank 301/366 · 10,823 births per year (average) · −2.7% versus the average date

CDC/NCHS + SSA · FiveThirtyEight (CC BY 4.0) · 1994–2014

The date in numbers

Over the 21 years from 1994 to 2014, January 27 averages 10,823 births a year, which places it 301st of the 366 dates of the year.

Against the average day of its own year — the measure that takes the growth of the population out — the date runs −2.7%. That puts it within the ordinary run of the year.

Where a date falls in the week moves the count more than the date itself does: across 1994–2014 the five weekdays average +10.9% against an average day and Saturday and Sunday −27.1%. This date fell on a weekday in 15 of its 21 years and on a weekend in 6, averaging +7.8% and −29.1%. These are counts of births that were registered; the page does not say why they fall this way.

January 27 by the weekday it fell on

In 21 years a date works its way round the week. Each row is the average of the years this one landed on that weekday — a handful of years each, so read the shape, not the decimal.

WeekdayBirths on such a dayAgainst an average dayDays counted
Monday11,106+1.5%3 years
Tuesday12,604+12.1%3 years
Wednesday11,995+9.2%2 years
Thursday12,136+9.2%4 years
Friday11,968+7.2%3 years
Saturday8,587−23.3%3 years
Sunday7,315−34.8%3 years

The days either side

Names given to the people born on January 27

Everyone counted on this page was born between 1994 and 2014. The most given names of 1994 were Jessica and Michael; of 2014, Emma and Noah. Every year in between has its own list.

Years in this data

199419951996199719981999200020012002200320042005200620072008200920102011201220132014

Birthdays

Where the numbers come from. Births by exact date, 1994–2014: 1994–2003 from the Centers for Disease Control and Prevention, National Center for Health Statistics (National Vital Statistics System); 2004–2014 from the Social Security Administration. Both files are works of the US government and in the public domain. They are taken from FiveThirtyEight's data repository, which republishes them under CC BY 4.0 — credit to FiveThirtyEight, github.com/fivethirtyeight/data.

The two files overlap in 2000–2003, where the SSA count runs about 2% above the CDC/NCHS one; those four years are taken from the vital-statistics file, so each year has one source. Every date is scored against the average day of its own year before the years are averaged, so the join cannot move a ranking.