Sri Lanka Labour Force Survey was designed to measure the levels and trends of employment, unemployment and Labour force in Sri Lanka. This Survey is being conducted quarterly, since the first quarter of 1990. However, some improvements were made to the Labour Force Survey schedule in order to fulfill the requirements of its users and also to provide additional information for the national planning purposes. This revision was made focusing on household economic activities, informal sector employment, Informal employment and under employment etc. The revised version was used for the survey conducted in the first quarter 2006 and it will be used in future as well. A separate bulletin will be published with information on these additional items, when the detailed analysis of data is completed. The field work of the survey for the first quarter 2006 was done in January and February 2006. Due to the prevailing situation in the country it was not possible to conduct the survey in North & the East in January, as scheduled. Thus, the national level estimates based on the data collected in the first quarter 2006 of the survey does not cover the Northern and Eastern provinces. However, 2005 Labour Force Survey covered all 25 districts in the island, and therefore where the comparisons are done between quarters, one need to be cautious about the domain of coverage of the survey. Source: Bulletin of Labour Force Statistics of Sri Lanka