Central Bureau of Statistics (CBS) carried out Nepal Living Standards Survey (NLSS) for the first time in 1995/96. The second round of the NLSS was conducted in 2003/04. The Nepal Living Standards Survey 2010/11 (NLSS-III) is the third round of the survey conducted by the CBS as a follow up of the previous two rounds. All the three surveys followed the Living Standards Measurement Survey (LSMS) methodology developed and promoted by the World Bank. NLSS-II enumerated 3912 households from 326 PSUs compared to 3373 households from 274 PSUs in NLSS-I.
NLSS-II also interviewed 1160 households from 95 panel PSUs that were enumerated in NLSS-I. NLSS-III enumerated 7,020 households, of which 5,988 households are from the crosssection sample and the remaining 1,032 are from the panel sample.