Presently,in Vietnam, farming households’ livelihood strategies have been diversified. Generating plenty of labor out-migrantsrepresents a symbolic phenomenon. This paper examinedtrue state of out-migration and investigated determinant factors to initiate those migrants at administrative unit level in Thai Binh province, Red River Delta.For this study, in 2010, a preliminary field survey was conducted and 66 communes’ local authorities were interviewed to collect data on labor out-migrants, demography, land resources, socio-economy, agricultural production, and social network and transportation. The data were statistically analyzed by applyingone-way ANOVA or Kruskal-Wallis test, and multiple regressions to reveal the significant determinants forout-generation in the sampled communes by quartile groups of the deference of local industrialization. The major findings are: 1) 53.7 – 64.5 % of total farming households in the provinceare estimated to haveat least one labor out-migrant, 2) 65.1 – 71.4 % of the labor out-migrants are estimated to engage in the manufacturing and construction sector, 3) a disparity of industrialization among the sampled communesdid not bring any statistically significant differences in emergence of out-migration, 4) the significant determinant factors of emergence of labor out-migrantscharacteristically differed by the quartile groups of industrialization, and 5) farmers in Thai Binh province is facing to a transition from rural-oriented mind to urban-oriented mind.