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National Center for Health Statistics

Data Table of Infant Length-for-age Charts

Males, Ages Birth – 36 Months
Age (in months) 3rd Percentile Length (in centimeters) 5th Percentile Length (in centimeters) 10th Percentile Length (in centimeters) 25th Percentile Length (in centimeters) 50th Percentile Length (in centimeters) 75th Percentile Length (in centimeters) 90th Percentile Length (in centimeters) 95th Percentile Length (in centimeters) 97th Percentile Length (in centimeters)
0 44.9251 45.56841 46.55429 48.18937 49.98888 51.77126 53.36153 54.30721 54.919
0.5 47.97812 48.55809 49.4578 50.97919 52.69598 54.44054 56.03444 56.99908 57.62984
1.5 52.19859 52.72611 53.55365 54.9791 56.62843 58.35059 59.9664 60.96465 61.62591
2.5 55.26322 55.77345 56.57772 57.9744 59.60895 61.33788 62.98158 64.00789 64.69241
3.5 57.73049 58.23744 59.0383 60.43433 62.077 63.82543 65.49858 66.54889 67.2519
4.5 59.82569 60.33647 61.1441 62.55409 64.21686 65.99131 67.69405 68.76538 69.48354
5.5 61.66384 62.18261 63.00296 64.43546 66.12531 67.92935 69.66122 70.75128 71.48218
6.5 63.31224 63.84166 64.67854 66.13896 67.86018 69.69579 71.45609 72.56307 73.30488
7.5 64.81395 65.35584 66.21181 67.70375 69.45908 71.32735 73.11525 74.23767 74.98899
8.5 66.19833 66.75398 67.63088 69.15682 70.94804 72.84947 74.6641 75.80074 76.56047
9.5 67.48635 68.05675 68.95591 70.51761 72.34586 74.2806 76.1211 77.27095 78.03819
10.5 68.6936 69.27949 70.20192 71.80065 73.66665 75.63462 77.50016 78.66234 79.43637
11.5 69.832 70.43397 71.38046 73.01712 74.9213 76.92224 78.81202 79.98578 80.76602
12.5 70.91088 71.52941 72.50055 74.17581 76.11838 78.15196 80.0652 81.2499 82.03585
13.5 71.9377 72.57318 73.56946 75.2838 77.2648 79.33061 81.2666 82.46167 83.25292
14.5 72.91853 73.5713 74.59309 76.34685 78.36622 80.4638 82.42185 83.6268 84.42302
15.5 73.85839 74.52871 75.57634 77.36973 79.42734 81.5562 83.53568 84.75006 85.55095
16.5 74.76147 75.44958 76.5233 78.35646 80.45209 82.61174 84.61204 85.83547 86.64078
17.5 75.63132 76.33742 77.43742 79.31042 81.44384 83.63377 85.65431 86.88645 87.69597
18.5 76.47096 77.19523 78.32168 80.23453 82.40544 84.62515 86.66541 87.90595 88.7195
19.5 77.283 78.0256 79.17863 81.13131 83.33938 85.58837 87.64786 88.89652 89.71393
20.5 78.06971 78.83077 80.01048 82.00292 84.24783 86.52562 88.60385 89.86038 90.68153
21.5 78.83308 79.61271 80.81919 82.85129 85.1327 87.43879 89.53533 90.79951 91.62428
22.5 79.57485 80.37315 81.60646 83.67811 85.99565 88.32957 90.44402 91.71563 92.54392
23.5 80.29656 81.11363 82.37381 84.48487 86.83818 89.19948 91.33143 92.61031 93.44203
24.5 80.99959 81.83552 83.12259 85.2729 87.66161 90.04985 92.19893 93.48491 94.31998
25.5 81.74464 82.58135 83.87245 86.03703 88.45247 90.8787 93.07143 94.38775 95.24419
26.5 82.47365 83.31105 84.60576 86.78329 89.22326 91.68468 93.91817 95.263 96.13962
27.5 83.18812 84.02609 85.32399 87.51317 89.97549 92.46929 94.74064 96.1121 97.00763
28.5 83.88931 84.72769 86.02833 88.22788 90.71041 93.23385 95.54016 96.93639 97.84957
29.5 84.57826 85.41688 86.71978 88.9284 91.42908 93.97951 96.318 97.73717 98.66677
30.5 85.25589 86.09452 87.39917 89.6156 92.13242 94.70732 97.07531 98.51569 99.46052
31.5 85.92294 86.76134 88.06723 90.2902 92.82127 95.41824 97.81324 99.27318 100.2321
32.5 86.58009 87.41799 88.72457 90.95287 93.49638 96.11319 98.53287 100.0109 100.9829
33.5 87.22791 88.06503 89.37177 91.60421 94.15847 96.79307 99.23531 100.73 101.7142
34.5 87.86696 88.70301 90.00937 92.24482 94.80823 97.45873 99.92162 101.4318 102.4274
35.5 88.49774 89.33242 90.63786 92.87525 95.44637 98.11108 100.5929 102.1174 103.1237

 

Females, Ages Birth – 36 Months
Age (in months) 3rd Percentile Length (in centimeters) 5th Percentile Length (in centimeters) 10th Percentile Length (in centimeters) 25th Percentile Length (in centimeters) 50th Percentile Length (in centimeters) 75th Percentile Length (in centimeters) 90th Percentile Length (in centimeters) 95th Percentile Length (in centimeters) 97th Percentile Length (in centimeters)
0 45.09488 45.57561 46.33934 47.68345 49.2864 51.0187 52.7025 53.77291 54.49527
0.5 47.46916 47.96324 48.74248 50.09686 51.68358 53.36362 54.96222 55.96094 56.62728
1.5 50.95701 51.47996 52.29627 53.69078 55.28613 56.93136 58.45612 59.38911 60.00338
2.5 53.62925 54.17907 55.03144 56.47125 58.09382 59.74045 61.24306 62.15166 62.74547
3.5 55.8594 56.43335 57.31892 58.80346 60.45981 62.1233 63.62648 64.52875 65.11577
4.5 57.8047 58.40032 59.31633 60.84386 62.5367 64.22507 65.74096 66.64653 67.23398
5.5 59.54799 60.16323 61.10726 62.6759 64.40633 66.12418 67.65995 68.57452 69.16668
6.5 61.13893 61.77208 62.7421 64.35005 66.11842 67.8685 69.42868 70.35587 70.95545
7.5 62.60993 63.25958 64.25389 65.89952 67.70574 69.48975 71.07731 72.01952 72.62835
8.5 63.98348 64.64845 65.66559 67.34745 69.19124 71.01019 72.62711 73.58601 74.20532
9.5 65.2759 65.9552 66.99394 68.7107 70.59164 72.44614 74.09378 75.0705 75.70118
10.5 66.49948 67.19226 68.25154 70.00202 71.91962 73.80997 75.48923 76.4846 77.12729
11.5 67.66371 68.36925 69.44814 71.23128 73.18501 75.11133 76.82282 77.83742 78.49257
12.5 68.77613 69.4938 70.59149 72.40633 74.39564 76.35791 78.10202 79.13625 79.80419
13.5 69.8428 70.57207 71.68784 73.53349 75.55785 77.55594 79.3329 80.38705 81.06801
14.5 70.86874 71.60911 72.74233 74.61799 76.67686 78.71058 80.5205 81.59475 82.28891
15.5 71.85807 72.60914 73.75924 75.66416 77.75701 79.82613 81.66903 82.7635 83.47098
16.5 72.81433 73.57571 74.74217 76.67568 78.80198 80.90623 82.78208 83.89683 84.6177
17.5 73.74047 74.51184 75.6942 77.65565 79.81492 81.95399 83.86269 84.99774 85.73205
18.5 74.63908 75.42012 76.61797 78.60678 80.79852 82.97211 84.91353 86.06887 86.81663
19.5 75.51237 76.30282 77.51576 79.53138 81.75512 83.96292 85.93689 87.11249 87.8737
20.5 76.36229 77.16191 78.38958 80.4315 82.68679 84.92846 86.93481 88.13061 88.90526
21.5 77.19056 77.9991 79.2412 81.30893 83.59532 85.87054 87.90908 89.125 89.91305
22.5 77.99868 78.81595 80.07216 82.16525 84.48233 86.79077 88.86127 90.09723 90.89866
23.5 78.78801 79.61381 80.88385 83.00187 85.34924 87.69056 89.79282 91.04873 91.86347
24.5 79.55974 80.39391 81.67752 83.82007 86.19732 88.57121 90.70499 91.98074 92.80876
25.5 80.33998 81.18804 82.49318 84.67209 87.09026 89.50562 91.67718 92.97574 93.81864
26.5 81.11332 81.97223 83.29459 85.5036 87.95714 90.40982 92.61658 93.93693 94.79426
27.5 81.87334 82.74084 84.07717 86.31151 88.79602 91.28258 93.52227 94.86339 95.73464
28.5 82.61506 83.48951 84.83741 87.09346 89.60551 92.12313 94.39371 95.75464 96.63928
29.5 83.33473 84.21496 85.57273 87.84783 90.38477 92.93113 95.23082 96.61061 97.50808
30.5 84.02972 84.91494 86.28139 88.57362 91.13342 93.70662 96.03385 97.43164 98.34139
31.5 84.69837 85.58809 86.96242 89.27042 91.85154 94.45005 96.80343 98.2184 99.13993
32.5 85.33987 86.23379 87.6155 89.93835 92.53964 95.16218 97.54052 98.97193 99.90473
33.5 85.95413 86.85208 88.24089 90.57795 93.19854 95.84411 98.24636 99.69353 100.6372
34.5 86.54167 87.44359 88.83932 91.1902 93.82945 96.49721 98.92246 100.3848 101.3388
35.5 87.10349 88.00937 89.41196 91.77639 94.43382 97.12307 99.57056 101.0475 102.0116
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