Vital Statistics: Births 
Births by place of residence of the mother.National data
Births by age of the mother , marital status of the mother and  maturity.
Units: Births

,Total,,,Married mother,,,Unmarried mother,,,
,Total,At term,Preterm,Total,At term,Preterm,Total,At term,Preterm,
All ages,519,779,479,278,40,501,347,468,320,752,26,716,172,311,158,526,13,785,
Under 15 years,178,161,17,4,4,..,174,157,17,
15 years,539,484,55,14,13,1,525,471,54,
16 years,1,333,1,191,142,63,58,5,1,270,1,133,137,
17 years,2,536,2,293,243,248,218,30,2,288,2,075,213,
18 years,4,357,3,937,420,691,643,48,3,666,3,294,372,
19 years,6,190,5,639,551,1,241,1,137,104,4,949,4,502,447,
20 years,7,755,7,192,563,2,030,1,904,126,5,725,5,288,437,
21 years,8,945,8,306,639,2,679,2,513,166,6,266,5,793,473,
22 years,10,147,9,382,765,3,603,3,356,247,6,544,6,026,518,
23 years,11,593,10,786,807,4,610,4,287,323,6,983,6,499,484,
24 years,13,485,12,537,948,6,121,5,689,432,7,364,6,848,516,
25 years,15,943,14,855,1,088,7,943,7,432,511,8,000,7,423,577,
26 years,19,454,18,108,1,346,10,985,10,212,773,8,469,7,896,573,
27 years,23,084,21,435,1,649,14,125,13,119,1,006,8,959,8,316,643,
28 years,27,535,25,568,1,967,18,243,16,987,1,256,9,292,8,581,711,
29 years,32,262,30,021,2,241,22,824,21,276,1,548,9,438,8,745,693,
30 years,37,705,34,937,2,768,27,712,25,716,1,996,9,993,9,221,772,
31 years,40,547,37,600,2,947,30,474,28,301,2,173,10,073,9,299,774,
32 years,41,452,38,301,3,151,31,673,29,280,2,393,9,779,9,021,758,
33 years,40,481,37,346,3,135,31,273,28,904,2,369,9,208,8,442,766,
34 years,37,791,34,897,2,894,29,425,27,193,2,232,8,366,7,704,662,
35 years,33,925,31,185,2,740,26,364,24,230,2,134,7,561,6,955,606,
36 years,28,543,26,118,2,425,21,736,19,900,1,836,6,807,6,218,589,
37 years,22,787,20,816,1,971,17,113,15,640,1,473,5,674,5,176,498,
38 years,16,940,15,542,1,398,12,485,11,473,1,012,4,455,4,069,386,
39 years,12,246,11,107,1,139,8,819,8,001,818,3,427,3,106,321,
40 years,8,623,7,781,842,5,988,5,393,595,2,635,2,388,247,
41 years,5,528,4,942,586,3,761,3,365,396,1,767,1,577,190,
42 years,3,453,3,078,375,2,350,2,085,265,1,103,993,110,
43 years,1,908,1,652,256,1,266,1,090,176,642,562,80,
44 years,1,202,1,029,173,787,672,115,415,357,58,
45 years,547,461,86,362,302,60,185,159,26,
46 years,319,254,65,203,168,35,116,86,30,
47 years,181,149,32,116,97,19,65,52,13,
48 years,106,80,26,62,47,15,44,33,11,
49 years,60,33,27,30,15,15,30,18,12,
50 years and over,99,75,24,45,32,13,54,43,11,
Notes:
Source: National Statistics Institute