Female participation in labor force has always been both socially and economically a crucial and sensitive issue, Participation of female in labor force not only indicates the level of advancement of a society, but also it implies that it has made remarkable progress in the field of women empowerment. Despite being matter of great significance, this issue often went unnoticed by academicians and researchers, let alone male participation in labor force. The study intends to find out the present situation and trends of male and female participation in labor force between developed and least developed countries. This is a cross sectional study where secondary source of data was collected from World Bank open-data repository. Quantitative data collection method was used in this study. All of 36 Least Developed Countries and 47 Developed countries were taken as sample to enhance the accuracy of research finding. The study finds out that the gap between male and female participation in labor force is consistently decreasing in most of developed and least developed countries. The study also finds out that in majority of Developed and Least developed countries, the male participation in labor force is consistently decreasing and female participation is increasing, but least developed countries have a higher unstable rate in labor force participation than developed countries and gap between male and female participation in labor force went from as low as 0.02% to as high as 71.8%.