ol legislators senior officials and managers professionals technicians and associate professionals clerks service workers and shop and market sales workers skilled agricultural and fishery workers craft and related trades workers plant and machine operators and assemblers elementary occupations international immigration benefits immigrants in thailand but it is also of importance to the thai economy as it ensures a supply of young workers in the face of an ageing nativebom population for example occupational distributions of native and foreignbom workers are very different and these differences became more pronounced between and educational attainment has been improving for both the thaibom and the foreignbom populations and foreignbom workers have increasingly moved out of subsistence agriculture and into industrial sectors thus contributing to the diversification and growth of thailand s economy