| Any Breastfeeding | Exclusive Breastfeeding | ||||||
|---|---|---|---|---|---|---|---|
| Ever Breastfed | Breastfed at 6 Months | Breastfed at 12 Months | Exclusive Breastfeeding through 3 Months | Exclusive Breastfeeding through 6 Months | |||
| n | % ± half 95% CI | % ± half 95% CI | % ± half 95% CI | n | % ± half 95% CI | % ± half 95% CI | |
| U.S. National | 19309 | 85.7±0.9 | 62.1±1.1 | 40.8±1.1 | 18839 | 47.6±1.2 | 27.9±1.0 |
| Alabama | 366 | 77.9±5.2 | 52.1±5.9 | 34.8±5.4 | 353 | 43.7±5.8 | 26.4±5.1 |
| Alaska | 222 | 91.5±6.0 | 70.0±8.7 | 48.5±8.7 | 213 | 54.3±9.0 | 31.0±7.9 |
| Arizona | 291 | 86.2±5.9 | 60.9±8.3 | 36.4±7.7 | 287 | 42.6±8.1 | 22.4±6.3 |
| Arkansas | 291 | 83.4±5.4 | 52.1±6.8 | 30.8±6.2 | 285 | 47.9±6.9 | 25.1±5.8 |
| California | 480 | 90.1±3.4 | 68.5±5.0 | 41.5±5.2 | 461 | 53.0±5.4 | 28.6±4.9 |
| Colorado | 344 | 91.4±3.3 | 71.8±5.2 | 53.4±5.7 | 338 | 56.6±5.7 | 34.7±5.5 |
| Connecticut | 241 | 91.1±4.1 | 64.7±7.2 | 48.1±7.1 | 237 | 44.8±7.1 | 25.4±5.9 |
| Delaware | 228 | 80.2±6.4 | 56.3±7.4 | 35.7±6.9 | 227 | 44.7±7.5 | 24.0±6.5 |
| District of Columbia | 420 | 90.2±4.4 | 69.4±6.2 | 43.8±6.1 | 413 | 50.7±6.3 | 30.1±5.8 |
| Florida | 446 | 86.6±4.2 | 57.9±5.6 | 36.7±5.3 | 444 | 45.8±5.6 | 25.9±4.7 |
| Georgia | 362 | 81.1±6.1 | 54.6±6.7 | 35.0±6.1 | 347 | 41.0±6.5 | 19.5±4.8 |
| Hawaii | 329 | 90.7±3.5 | 74.9±5.2 | 53.5±5.8 | 322 | 54.9±5.8 | 33.8±5.5 |
| Idaho | 290 | 90.7±4.3 | 68.4±6.5 | 45.3±6.8 | 280 | 51.8±7.0 | 33.1±6.5 |
| Illinois | 597 | 86.0±3.4 | 62.2±4.6 | 41.7±4.4 | 581 | 47.3±4.6 | 29.2±4.1 |
| Indiana | 266 | 86.0±4.6 | 62.3±6.6 | 41.0±6.5 | 259 | 55.5±6.7 | 31.9±6.2 |
| Iowa | 299 | 87.5±4.3 | 64.7±6.8 | 44.7±7.0 | 290 | 50.0±7.1 | 33.3±6.8 |
| Kansas | 369 | 87.8±3.9 | 65.1±5.9 | 42.3±6.0 | 362 | 50.3±6.2 | 28.4±5.3 |
| Kentucky | 346 | 73.9±6.2 | 47.3±6.3 | 33.3±5.8 | 335 | 40.1±6.2 | 24.1±5.1 |
| Louisiana | 478 | 72.4±6.2 | 50.7±6.5 | 29.6±6.0 | 473 | 44.6±6.5 | 27.4±6.2 |
| Maine | 256 | 89.4±4.7 | 64.2±6.7 | 46.3±6.6 | 251 | 51.7±6.8 | 30.0±6.0 |
| Maryland | 541 | 90.8±3.0 | 73.3±4.8 | 51.0±5.5 | 533 | 55.3±5.4 | 35.7±5.4 |
| Massachusetts | 314 | 87.9±3.8 | 65.9±5.7 | 46.3±6.0 | 307 | 49.6±6.0 | 25.1±5.3 |
| Michigan | 438 | 81.2±4.8 | 62.2±5.6 | 43.5±5.7 | 422 | 45.2±5.7 | 29.3±5.3 |
| Minnesota | 330 | 92.0±3.3 | 72.6±5.3 | 47.0±6.0 | 321 | 58.3±6.0 | 32.8±5.7 |
| Mississippi | 333 | 72.5±7.9 | 46.0±7.8 | 30.9±7.0 | 331 | 37.0±7.4 | 24.0±6.6 |
| Missouri | 375 | 89.4±3.4 | 59.5±5.9 | 36.0±5.6 | 367 | 44.6±5.9 | 26.6±5.2 |
| Montana | 283 | 91.9±3.5 | 66.9±6.0 | 41.2±6.0 | 272 | 63.3±6.2 | 33.9±5.9 |
| Nebraska | 235 | 91.2±4.3 | 71.6±6.7 | 53.2±7.3 | 229 | 61.3±7.1 | 36.7±7.1 |
| Nevada | 392 | 82.6±6.2 | 55.7±6.6 | 37.1±6.1 | 385 | 42.7±6.4 | 23.9±5.1 |
| New Hampshire | 248 | 89.7±4.3 | 66.9±6.4 | 49.7±6.6 | 241 | 58.9±6.8 | 35.3±6.2 |
| New Jersey | 350 | 88.5±3.7 | 68.3±5.4 | 48.0±5.8 | 343 | 47.1±5.8 | 26.1±5.2 |
| New Mexico | 317 | 87.4±4.7 | 65.6±6.5 | 43.4±6.9 | 314 | 52.6±7.0 | 35.3±6.6 |
| New York | 761 | 88.4±2.7 | 63.2±4.2 | 44.3±4.4 | 735 | 41.8±4.4 | 26.4±4.0 |
| North Carolina | 433 | 84.6±4.8 | 61.9±5.9 | 40.5±5.7 | 423 | 52.9±6.0 | 30.8±5.3 |
| North Dakota | 306 | 86.2±5.5 | 67.3±6.8 | 49.7±7.0 | 298 | 50.0±7.1 | 31.3±6.4 |
| Ohio | 417 | 84.2±4.7 | 59.8±5.9 | 38.1±5.5 | 403 | 49.8±5.9 | 28.0±5.0 |
| Oklahoma | 280 | 81.6±5.2 | 55.1±6.8 | 35.7±6.4 | 274 | 45.6±6.9 | 28.0±6.3 |
| Oregon | 281 | 91.4±3.7 | 72.5±5.9 | 43.1±6.2 | 272 | 55.0±6.4 | 35.9±6.0 |
| Pennsylvania | 777 | 85.0±3.3 | 61.9±4.4 | 38.4±4.3 | 743 | 43.4±4.6 | 26.0±4.1 |
| Rhode Island | 335 | 86.0±4.8 | 64.5±6.0 | 43.1±6.1 | 326 | 45.6±6.2 | 25.3±5.4 |
| South Carolina | 360 | 78.6±5.3 | 52.8±5.9 | 33.0±5.3 | 350 | 40.1±5.7 | 22.7±4.6 |
| South Dakota | 293 | 89.4±4.5 | 64.8±7.0 | 44.0±7.0 | 284 | 56.3±7.2 | 30.3±6.7 |
| Tennessee | 342 | 78.5±6.2 | 55.4±6.6 | 33.7±5.8 | 341 | 43.3±6.3 | 26.9±5.5 |
| Texas | 1207 | 83.4±4.1 | 57.9±5.0 | 37.5±4.6 | 1183 | 43.0±4.9 | 26.4±4.2 |
| Utah | 278 | 94.2±3.4 | 75.4±5.7 | 56.8±6.6 | 274 | 56.3±6.7 | 31.1±6.3 |
| Vermont | 294 | 95.4±3.5 | 76.3±6.7 | 55.0±7.8 | 290 | 60.5±7.9 | 35.7±7.5 |
| Virginia | 517 | 85.5±4.4 | 64.5±5.3 | 42.9±5.2 | 500 | 46.4±5.4 | 29.9±4.8 |
| Washington | 376 | 87.9±3.9 | 66.5±5.4 | 46.2±5.6 | 367 | 51.0±5.7 | 32.8±5.4 |
| West Virginia | 368 | 71.7±5.3 | 46.4±5.5 | 30.8±4.9 | 361 | 36.4±5.3 | 19.6±4.2 |
| Wisconsin | 325 | 88.8±5.0 | 64.5±7.4 | 48.7±7.1 | 315 | 49.3±7.2 | 30.7±6.2 |
| Wyoming | 282 | 89.4±4.3 | 70.8±7.4 | 48.4±7.6 | 277 | 63.9±7.4 | 36.3±7.3 |
| Guam | 80 | NR | NR | NR | 78 | NR | NR |
| Puerto Rico | 496 | 91.1±3.6 | 61.5±6.1 | 44.1±6.0 | 492 | 50.9±6.1 | 35.5±5.7 |
1Data from the U.S. territories are excluded from the national breastfeeding estimates to be consistent with the analytical methods for the establishment of on breastfeeding.
2Exclusive breastfeeding is defined as ONLY breast milk—no solids, no water, and no other liquids
NR = Estimate not reported because the half 95% CI width was greater than 10 in these subgroups.
Source: National Immunization Survey—Child, Centers for Disease Control and Prevention, Department of Health and Human Services