Vital Statistics: Births 2011 Births by years of age, year of birth of mother and order of birth. Unidades: Births All First Second Third Fourth Fifth Sixth Seventh Eighth Ninth Tenth and over All ages 471.999 247.454 175.709 36.802 7.867 2.466 906 350 195 103 147 14 years and under: 1996 and later 145 144 1 .. .. .. .. .. .. .. .. 15 years: 1996 161 152 7 2 .. .. .. .. .. .. .. 15 years: 1995 253 242 11 .. .. .. .. .. .. .. .. 16 years: 1995 402 383 16 3 .. .. .. .. .. .. .. 16 years: 1994 530 490 36 4 .. .. .. .. .. .. .. 17 years: 1994 831 771 56 4 .. .. .. .. .. .. .. 17 years: 1993 967 883 79 5 .. .. .. .. .. .. .. 18 years: 1993 1.331 1.183 139 9 .. .. .. .. .. .. .. 18 years: 1992 1.598 1.395 189 14 .. .. .. .. .. .. .. 19 years: 1992 1.991 1.690 265 35 1 .. .. .. .. .. .. 19 years: 1991 2.204 1.861 309 34 .. .. .. .. .. .. .. 20 years: 1991 2.505 2.022 431 43 5 4 .. .. .. .. .. 20 years: 1990 2.882 2.247 559 68 7 1 .. .. .. .. .. 21 years: 1990 3.131 2.345 684 90 9 3 .. .. .. .. .. 21 years: 1989 3.292 2.363 794 123 8 3 1 .. .. .. .. 22 years: 1989 3.672 2.523 968 145 28 8 .. .. .. .. .. 22 years: 1988 3.847 2.638 1.019 154 26 9 1 .. .. .. .. 23 years: 1988 4.349 2.856 1.230 219 36 8 .. .. .. .. .. 23 years: 1987 4.470 2.910 1.268 249 33 10 .. .. .. .. .. 24 years: 1987 5.160 3.285 1.529 261 65 20 .. .. .. .. .. 24 years: 1986 5.368 3.356 1.612 321 60 19 .. .. .. .. .. 25 years: 1986 5.902 3.705 1.713 399 67 12 4 1 1 .. .. 25 years: 1985 6.215 3.865 1.805 442 77 15 7 .. 4 .. .. 26 years: 1985 7.292 4.559 2.078 521 105 24 3 .. 2 .. .. 26 years: 1984 7.339 4.562 2.145 504 92 23 8 1 4 .. .. 27 years: 1984 8.444 5.331 2.382 560 129 24 13 1 4 .. .. 27 years: 1983 9.030 5.780 2.547 540 124 31 3 1 4 .. .. 28 years: 1983 10.599 6.674 3.049 677 145 39 11 2 2 .. .. 28 years: 1982 11.110 7.130 3.123 680 121 33 12 5 6 .. .. 29 years: 1982 12.972 8.207 3.715 809 162 54 16 6 3 .. .. 29 years: 1981 13.813 8.660 4.103 805 182 44 11 3 5 .. .. 30 years: 1981 15.121 9.421 4.561 843 224 42 15 9 1 2 3 30 years: 1980 15.711 9.486 5.055 875 209 56 13 5 3 4 5 31 years: 1980 17.591 10.346 5.838 1.072 238 65 18 7 2 3 2 31 years: 1979 17.421 9.901 6.189 1.000 223 69 18 11 4 1 5 32 years: 1979 18.820 10.588 6.752 1.108 259 66 25 7 7 5 3 32 years: 1978 18.573 9.709 7.326 1.167 253 69 24 8 2 8 7 33 years: 1978 19.606 10.113 7.791 1.266 289 96 30 8 5 3 5 33 years: 1977 18.937 9.026 8.270 1.258 256 79 26 10 5 2 5 34 years: 1977 19.344 9.115 8.317 1.453 302 99 29 11 8 3 7 34 years: 1976 18.553 8.250 8.440 1.455 274 82 26 12 1 2 11 35 years: 1976 18.528 8.045 8.390 1.654 269 100 42 19 5 2 2 35 years: 1975 16.723 6.844 8.002 1.464 275 85 33 9 2 3 6 36 years: 1975 16.455 6.576 7.712 1.666 328 104 44 15 4 2 4 36 years: 1974 14.136 5.362 6.892 1.475 279 72 34 5 6 2 9 37 years: 1974 13.539 5.035 6.422 1.561 339 110 36 21 4 4 7 37 years: 1973 11.214 3.950 5.515 1.352 249 83 43 8 6 5 3 38 years: 1973 10.418 3.625 4.982 1.350 283 101 41 15 10 3 8 38 years: 1972 8.754 2.999 4.198 1.178 246 69 29 23 7 2 3 39 years: 1972 8.030 2.887 3.618 1.094 265 93 41 17 8 5 2 39 years: 1971 6.599 2.275 3.080 912 203 82 30 2 4 4 7 40 years: 1971 5.870 2.096 2.559 848 207 97 32 15 5 6 5 40 years: 1970 4.561 1.626 2.002 667 144 63 29 11 10 5 4 41 years: 1970 3.876 1.449 1.559 581 161 68 25 15 7 5 6 41 years: 1969 2.728 965 1.137 428 114 43 20 6 9 2 4 42 years: 1969 2.386 872 920 390 115 40 20 13 7 2 7 42 years: 1968 1.585 583 608 249 80 32 14 13 3 1 2 43 years: 1968 1.340 493 474 212 93 26 18 11 7 4 2 43 years: 1967 939 378 346 139 37 16 14 2 4 3 .. 44 years: 1967 738 297 243 99 44 22 13 9 3 4 4 44 years: 1966 530 216 180 65 34 15 10 2 2 1 5 45 years: 1966 393 162 118 62 29 7 7 2 4 1 1 45 years: 1965 283 120 94 36 17 12 2 2 .. .. .. 46 years: 1965 234 100 74 34 13 4 4 1 2 1 1 46 years: 1964 150 71 48 18 6 4 2 1 .. .. .. 47 years: 1964 122 64 29 12 6 4 2 .. 1 2 2 47 years: 1963 93 45 29 12 5 .. 1 .. 1 .. .. 48 years: 1963 50 25 11 7 4 .. 2 1 .. .. .. 48 years: 1962 54 25 16 8 3 .. 1 1 .. .. .. 49 years: 1962 48 31 8 2 1 3 .. 2 1 .. .. 49 years: 1961 39 22 12 2 2 1 .. .. .. .. .. 50 years: 1961 29 14 8 3 2 1 1 .. .. .. .. 50 and over: 1960 and earlier 73 35 22 5 5 2 2 1 .. 1 .. Notas: The calculation of the order of birth has changed for multiple births. Until 2006 inclusively, the order of each live birth in a multiple birth was the same for all. As of the year 2007, each live birth in a multiple birth has a different order Fuente: National Statistics Institute