How Popular Is Your Birthday?

Two decades of American birthdays, averaged by month and day. Use the table to find each day of birth, the average number of births each day from 1994 to 2014, the date’s popularity rank, and an estimated conception date.

Birth Date
Popularity
Conception*
Average Births
9/9 1st 12/17 12,301
9/19 2nd 12/27 12,229
9/12 3rd 12/20 12,224
9/17 4th 12/25 12,148
9/10 5th 12/18 12,143
7/7 6th 10/14 12,108
9/20 7th 12/28 12,107
9/15 8th 12/23 12,087
9/16 9th 12/24 12,072
9/18 10th 12/26 12,055
12/20 11th 3/29 12,009
9/26 12th 1/3 11,993
9/8 13th 12/16 11,992
9/23 14th 12/31 11,974
12/29 15th 4/7 11,956
8/8 16th 11/15 11,951
9/24 17th 1/1 11,945
7/8 18th 10/15 11,944
12/19 19th 3/28 11,935
8/29 20th 12/6 11,924
8/15 21st 11/22 11,921
9/22 22nd 12/30 11,920
12/30 23rd 4/8 11,889
9/14 24th 12/22 11,882
9/25 25th 1/2 11,866
9/27 26th 1/4 11,861
7/1 27th 10/8 11,860
12/28 28th 4/6 11,855
8/28 28th 12/5 11,855
7/2 30th 10/9 11,828
8/22 31st 11/29 11,825
9/21 32nd 12/29 11,813
9/13 33rd 12/21 11,801
8/30 34th 12/7 11,800
7/11 35th 10/18 11,794
8/16 36th 11/23 11,788
8/1 37th 11/8 11,775
7/18 38th 10/25 11,772
8/20 39th 11/27 11,771
7/9 40th 10/16 11,769
7/16 41st 10/23 11,768
7/25 41st 11/1 11,768
7/15 43rd 10/22 11,754
8/12 44th 11/19 11,749
7/10 45th 10/17 11,738
8/27 46th 12/4 11,737
8/9 47th 11/16 11,721
10/1 48th 1/8 11,720
7/17 49th 10/24 11,718
7/23 50th 10/30 11,699
8/14 51st 11/21 11,692
7/22 52nd 10/29 11,686
8/18 53rd 11/25 11,681
12/21 54th 3/30 11,680
7/14 54th 10/21 11,680
12/18 56th 3/27 11,675
10/3 57th 1/10 11,674
12/27 58th 4/5 11,665
7/21 59th 10/28 11,664
8/23 60th 11/30 11,655
8/21 61st 11/28 11,643
8/19 62nd 11/26 11,637
2/14 63rd 5/24 11,636
8/26 64th 12/3 11,620
7/28 65th 11/4 11,614
8/5 66th 11/12 11,610
8/11 67th 11/18 11,608
7/24 68th 10/31 11,607
7/30 69th 11/6 11,599
7/29 70th 11/5 11,593
6/27 71st 10/4 11,590
8/7 72nd 11/14 11,589
8/6 73rd 11/13 11,586
7/26 74th 11/2 11,581
8/2 75th 11/9 11,580
8/25 76th 12/2 11,576
10/2 77th 1/9 11,572
9/29 77th 1/6 11,572
8/4 79th 11/11 11,569
11/21 80th 2/28 11,567
7/12 81st 10/19 11,565
6/28 82nd 10/5 11,557
10/10 83rd 1/17 11,556
8/31 84th 12/8 11,555
9/28 85th 1/5 11,554
8/17 86th 11/24 11,548
6/30 87th 10/7 11,547
7/19 88th 10/26 11,545
5/23 89th 8/30 11,525
7/31 90th 11/7 11,516
9/11 91st 12/19 11,503
6/20 92nd 9/27 11,502
8/10 93rd 11/17 11,491
10/4 94th 1/11 11,490
9/30 95th 1/7 11,489
7/6 96th 10/13 11,487
12/17 97th 3/26 11,481
8/13 98th 11/20 11,468
8/24 99th 12/1 11,452
11/20 100th 2/27 11,442
12/12 101st 3/21 11,440
9/5 102nd 12/13 11,431
7/20 103rd 10/27 11,428
7/27 104th 11/3 11,410
6/25 105th 10/2 11,406
9/7 106th 12/15 11,398
12/22 107th 3/31 11,388
6/26 108th 10/3 11,374
5/24 109th 8/31 11,367
12/16 110th 3/25 11,352
6/29 111th 10/6 11,351
11/1 112th 2/8 11,350
6/2 113th 9/9 11,345
6/18 114th 9/25 11,339
10/6 115th 1/13 11,335
8/3 116th 11/10 11,332
6/24 117th 10/1 11,328
10/7 118th 1/14 11,324
10/8 119th 1/15 11,309
11/7 120th 2/14 11,308
7/3 121st 10/10 11,304
6/21 122nd 9/28 11,298
10/17 123rd 1/24 11,296
9/6 124th 12/14 11,293
5/22 125th 8/29 11,288
6/14 125th 9/21 11,288
5/16 127th 8/23 11,283
10/24 128th 1/31 11,276
10/5 129th 1/12 11,272
10/11 130th 1/18 11,268
6/16 131st 9/23 11,265
10/15 132nd 1/22 11,261
6/3 133rd 9/10 11,256
11/19 134th 2/26 11,255
5/21 135th 8/28 11,254
6/17 136th 9/24 11,253
12/1 137th 3/10 11,251
6/23 138th 9/30 11,244
11/14 139th 2/21 11,240
6/6 139th 9/13 11,240
11/15 141st 2/22 11,229
6/10 142nd 9/17 11,222
6/4 143rd 9/11 11,221
4/4 144th 7/12 11,219
9/4 145th 12/12 11,216
6/12 146th 9/19 11,196
5/20 147th 8/27 11,193
11/5 148th 2/12 11,191
12/15 148th 3/24 11,191
2/15 150th 5/25 11,188
10/25 151st 2/1 11,183
12/2 152nd 3/11 11,182
3/21 153rd 6/28 11,181
7/13 153rd 10/20 11,181
11/8 155th 2/15 11,180
6/19 156th 9/26 11,176
11/18 157th 2/25 11,173
6/1 158th 9/8 11,164
6/5 158th 9/12 11,164
6/11 160th 9/18 11,160
6/7 160th 9/14 11,160
5/15 162nd 8/22 11,157
10/22 163rd 1/29 11,156
10/14 164th 1/21 11,149
10/18 164th 1/25 11,149
2/7 164th 5/17 11,149
12/3 167th 3/12 11,142
11/11 168th 2/18 11,141
10/9 169th 1/16 11,137
3/17 169th 6/24 11,137
12/5 171st 3/14 11,132
11/3 172nd 2/10 11,130
6/22 172nd 9/29 11,130
11/4 174th 2/11 11,129
3/1 174th 6/8 11,129
11/17 176th 2/24 11,125
5/17 177th 8/24 11,122
3/14 178th 6/21 11,119
9/3 178th 12/11 11,119
10/16 180th 1/23 11,115
5/2 181st 8/9 11,113
2/22 182nd 6/1 11,111
10/28 183rd 2/4 11,102
3/7 184th 6/14 11,087
6/9 185th 9/16 11,083
11/2 186th 2/9 11,081
11/6 186th 2/13 11,081
6/15 188th 9/22 11,078
11/12 189th 2/19 11,077
3/3 190th 6/10 11,074
5/5 191st 8/12 11,073
5/10 192nd 8/17 11,071
5/14 193rd 8/21 11,070
10/20 194th 1/27 11,065
2/8 195th 5/18 11,063
4/11 196th 7/19 11,059
10/21 197th 1/28 11,057
2/28 198th 6/7 11,053
1/24 199th 5/3 11,049
10/23 200th 1/30 11,046
3/28 201st 7/5 11,045
6/13 202nd 9/20 11,041
5/9 203rd 8/16 11,040
11/10 204th 2/17 11,039
10/27 205th 2/3 11,032
6/8 206th 9/15 11,025
1/10 207th 4/19 11,023
11/16 208th 2/23 11,022
1/4 209th 4/13 11,019
5/12 210th 8/19 11,016
2/10 211th 5/20 11,015
2/11 211th 5/21 11,015
10/12 213th 1/19 11,014
10/29 214th 2/5 11,012
3/15 215th 6/22 11,011
2/21 216th 5/31 11,008
4/18 217th 7/26 11,004
4/2 217th 7/10 11,004
3/12 219th 6/19 11,003
3/20 219th 6/27 11,003
5/1 221st 8/8 11,002
9/2 222nd 12/10 11,000
5/19 223rd 8/26 10,999
4/25 224th 8/2 10,996
3/4 225th 6/11 10,989
12/4 226th 3/13 10,981
3/5 227th 6/12 10,979
1/14 228th 4/23 10,976
3/8 228th 6/15 10,976
1/11 230th 4/20 10,975
2/25 231st 6/4 10,974
3/25 231st 7/2 10,974
3/22 233rd 6/29 10,967
12/6 234th 3/15 10,958
5/8 235th 8/15 10,955
3/18 236th 6/25 10,954
1/5 237th 4/14 10,953
4/12 237th 7/20 10,953
12/14 239th 3/23 10,952
1/25 240th 5/4 10,951
12/10 240th 3/19 10,951
2/2 242nd 5/12 10,949
5/6 242nd 8/13 10,949
2/16 244th 5/26 10,948
5/7 245th 8/14 10,945
2/18 246th 5/28 10,940
3/10 246th 6/17 10,940
1/12 248th 4/21 10,934
3/11 249th 6/18 10,931
9/1 250th 12/9 10,930
2/1 251st 5/11 10,929
10/26 252nd 2/2 10,928
11/9 253rd 2/16 10,927
2/23 253rd 6/2 10,927
1/7 255th 4/16 10,925
3/24 256th 7/1 10,921
3/6 256th 6/13 10,921
3/19 258th 6/26 10,914
1/6 259th 4/15 10,911
4/16 260th 7/24 10,909
2/4 261st 5/14 10,905
2/24 262nd 6/3 10,904
5/3 263rd 8/10 10,903
1/17 264th 4/26 10,901
5/30 264th 9/6 10,901
4/5 266th 7/13 10,900
4/3 267th 7/11 10,899
5/18 267th 8/25 10,899
2/12 269th 5/22 10,898
4/17 270th 7/25 10,897
3/27 271st 7/4 10,895
12/8 272nd 3/17 10,893
2/9 272nd 5/19 10,893
4/19 274th 7/27 10,891
4/8 275th 7/16 10,890
3/26 276th 7/3 10,888
2/20 277th 5/30 10,886
1/18 278th 4/27 10,883
1/31 278th 5/10 10,883
12/11 278th 3/20 10,883
4/15 278th 7/23 10,883
4/26 282nd 8/3 10,882
4/22 283rd 7/30 10,877
3/29 284th 7/6 10,873
1/23 285th 5/2 10,865
4/23 286th 7/31 10,864
4/7 287th 7/15 10,859
2/27 288th 6/6 10,858
11/30 289th 3/9 10,855
12/13 289th 3/22 10,855
2/17 291st 5/27 10,854
10/19 292nd 1/26 10,850
12/9 293rd 3/18 10,849
4/24 294th 8/1 10,845
1/26 295th 5/5 10,843
2/3 295th 5/13 10,843
1/28 297th 5/7 10,835
4/9 298th 7/17 10,830
5/25 299th 9/1 10,827
4/10 300th 7/18 10,826
1/20 301st 4/29 10,825
1/21 302nd 4/30 10,824
1/27 303rd 5/6 10,823
4/21 304th 7/29 10,817
10/30 305th 2/6 10,815
1/3 306th 4/12 10,813
4/14 307th 7/22 10,812
4/28 308th 8/5 10,803
3/2 309th 6/9 10,802
5/28 310th 9/4 10,797
2/6 311th 5/16 10,794
5/29 312th 9/5 10,782
3/31 313th 7/8 10,779
3/16 314th 6/23 10,773
10/13 315th 1/20 10,768
3/9 316th 6/16 10,765
11/29 317th 3/8 10,764
1/30 318th 5/9 10,752
5/11 319th 8/18 10,744
11/13 320th 2/20 10,742
12/7 321st 3/16 10,741
3/23 322nd 6/30 10,739
4/29 323rd 8/6 10,735
4/30 324th 8/7 10,731
2/26 325th 6/5 10,727
5/31 326th 9/7 10,719
5/4 327th 8/11 10,717
3/30 328th 7/7 10,714
4/20 328th 7/28 10,714
5/13 330th 8/20 10,697
5/27 331st 9/3 10,693
1/19 332nd 4/28 10,691
2/5 333rd 5/15 10,685
1/22 334th 5/1 10,673
2/19 334th 5/29 10,673
11/22 336th 3/1 10,664
4/27 336th 8/4 10,664
3/13 338th 6/20 10,654
4/6 339th 7/14 10,639
1/9 340th 4/18 10,624
1/16 341st 4/25 10,623
1/13 342nd 4/22 10,622
1/8 343rd 4/17 10,610
2/13 344th 5/23 10,604
1/29 345th 5/8 10,567
1/15 346th 4/24 10,546
2/29 347th 7/7 10,462
7/5 348th 10/12 10,404
5/26 349th 9/2 10,401
12/31 350th 4/9 10,394
4/13 351st 7/21 10,389
12/23 352nd 4/1 10,338
4/1 353rd 7/9 10,300
11/28 354th 3/7 10,096
11/26 355th 3/5 10,044
11/24 356th 3/3 10,015
10/31 357th 2/7 9,978
11/25 358th 3/4 9,954
11/23 359th 3/2 9,883
11/27 360th 3/6 9,718
12/26 361st 4/4 9,543
1/2 362nd 4/11 9,307
7/4 363rd 10/11 8,796
12/24 364th 4/2 8,069
1/1 365th 4/10 7,792
12/25 366th 4/3 6,574

Notes

* The conception date, purely for illustration, is 266 days prior to birth. It represents a hypothetical “moment of conception” based on the normal gestation period for humans, 280 days, minus the average time for ovulation, two weeks.

Data: U.S. National Center for Health Statistics (1994-2003); U.S. Social Security Administration (2004-2014) — via FiveThirthyEight

Credit: Matt Stiles/The Daily Viz