| 2014 | 2016 | 2017 | Overall | ||||
---|---|---|---|---|---|---|---|---|
 | N | % | N | % | N | % | N | % |
Sociodemographic characteristics | ||||||||
Sex | ||||||||
 male | 117,647 | 58.55 | 88,088 | 52.12 | 87,871 | 56.69 | 293,606 | 54.38 |
 female | 83,290 | 41.45 | 80,912 | 47.88 | 82,118 | 48.31 | 246,320 | 45.62 |
Age | ||||||||
 15–24 | 40,062 | 19.94 | 26,648 | 15.77 | 23,906 | 14.06 | 90,616 | 16.78 |
 25–34 | 77,057 | 38.35 | 65,709 | 38.88 | 65,473 | 38.52 | 208,239 | 38.57 |
 35–44 | 56,747 | 28.24 | 45,193 | 26.74 | 44,741 | 26.32 | 146,681 | 27.17 |
 45–54 | 24,036 | 11.96 | 23,566 | 13.94 | 26,651 | 15.68 | 74,253 | 13.75 |
 55–64 | 3035 | 1.51 | 5659 | 3.35 | 6499 | 3.82 | 15,193 | 2.81 |
 65- |  |  | 2225 | 1.32 | 2213 | 1.30 | 4438 | 0.82 |
Region | ||||||||
 East | 101,984 | 50.75 | 82,000 | 48.52 | 86,995 | 51.18 | 270,979 | 50.19 |
 Middle | 33,986 | 16.91 | 29,000 | 17.16 | 28,999 | 17.06 | 91,985 | 17.04 |
 West | 64,967 | 32.33 | 58,000 | 34.32 | 53,995 | 31.76 | 176,962 | 32.78 |
Marital status | ||||||||
 Never married/ Divorced/widowed | 48,006 | 23.89 | 31,929 | 18.89 | 30,472 | 17.93 | 110,407 | 20.45 |
 Married/living with partner | 152,931 | 76.12 | 137,071 | 81.11 | 139,517 | 82.07 | 429,519 | 79.55 |
Educational attainment | Â | Â | Â | Â | Â | Â | ||
 <=Middle school | 133,812 | 66.59 | 104,296 | 61.71 | 103,186 | 60.70 | 341,294 | 63.21 |
 High school or equivalent | 41,289 | 20.55 | 37,682 | 22.30 | 37,224 | 21.90 | 116,195 | 21.52 |
 College | 25,183 | 12.53 | 26,214 | 15.51 | 28,687 | 16.88 | 80,084 | 14.83 |
 >College | 653 | 0.32 | 808 | 0.48 | 892 | 0.52 | 2353 | 0.44 |
Household registration status | ||||||||
 Agricultural | 170,904 | 85.05 | 140,441 | 83.10 | 140,687 | 82.76 | 452,032 | 83.72 |
 Nonagricultural | 30,033 | 14.95 | 28,559 | 16.90 | 29,302 | 17.24 | 87,894 | 16.28 |
Migrating related characteristics | ||||||||
Length of migration | ||||||||
 0–5 | 153,208 | 76.25 | 115,601 | 68.40 | 106,203 | 62.48 | 375,012 | 69.46 |
 5–10 | 28,177 | 14.02 | 30,435 | 18.01 | 34,681 | 20.40 | 93,293 | 17.28 |
 > = 11 | 19,552 | 9.73 | 22,964 | 13.59 | 29,105 | 17.12 | 71,621 | 13.26 |
Reasons of migration | ||||||||
 other | 23,855 | 11.87 | 27,711 | 16.40 | 27,872 | 16.40 | 79,438 | 14.71 |
 Working or business | 177,082 | 88.13 | 141,289 | 83.60 | 142,117 | 83.60 | 460,488 | 85.29 |
Rage of migration | ||||||||
 In province | 98,534 | 49.04 | 85,977 | 50.87 | 86,199 | 50.71 | 270,710 | 50.14 |
 Out of province | 102,403 | 50.96 | 82,860 | 49.03 | 83,790 | 49.29 | 269,053 | 49.83 |