The labour force participation rate is the share of population from 15 to 65 years of age who are employed or seeking work.
The report was compiled by Sri Lanka's labour ministry, the statistics office and the central bank with support from the International Labour Organization.
Gender Gap
"Sri Lanka has one of the highest gender-based gaps in labour force participation in the Asian region, with a female participation rate of only 37.8 percent versus 76.1 percent among men," the report said.
"Among all Asian countries for which data are available, only Afghanistan, Pakisthan and India have larger gaps in participation rates between women and men.
"Low female participation rates combined with large gender based gaps in segregation typically reflect barriers that women face