The ongoing progress of contemporary society and the growing global recognition of women have led to heightened scrutiny of the influence of female labour force in social production. The rate of female labour force participation holds significant implications for both the advancement of the global economy and the long-term sustainability of society. In this study, a dataset comprising 146 nations spanning the years 1990 to 2020 was utilised. Employing regression techniques, the 146 countries were categorised into six continents to investigate the impact of GDP per capita and fertility rate on the female labour force participation rate. The findings of the research indicate that the relationship between the female labour force participation rate and GDP per capita and fertility rate is non-linear, assuming that only these two factors are taken into account. Given the observed trend of a gradual increase in female labour force participation rates in various regions in recent years, alongside a corresponding decrease in fertility rates globally, it is imperative for relevant authorities to expedite the enhancement of policies pertaining to female reproduction. Furthermore, it is crucial to legally ensure employment opportunities for women.