This research aims to analyze and compare value of TL-SDI, within area of administrative posts in the municipality of Oecusse related to internal migration status. This study uses a quantitative approach based on the CPH-TL 2015 and TLSLS 2014 data, using lifetime migration that applied on the concept of TL-SDI, SCI, EcCI, and EnCI within area of administrative posts in the municipality of Oecusse. Analysis comparison of TL-SDI uses CSpro, SPSS, and Excel, tools with the amount of sustainable development indexes is the percentage of migration rates. The results of this study have produced three (3) type of specific values of TL-SDI, rejected the hypothesis that there is no significance the values of TL-SDI between the migrant population and the non-migrant population. The TL-SDI values in migrant populations are higher than in non-migrant populations. TL-SDI values in each region can be used as an evaluation of the results of development so far has been running and can be used as regional planning material, especially for indigenous people or migrants who come to the region.