# women spend a greater number of hours on unpaid work > Globally, billions of hours are spent on unpaid labour every year, a burden that is disproportionately carried by women[[(Ervin et al., 2022)#^x9hwu]] > Our Review indicates substantial gender differences in exposure to unpaid labour and confirms persistent inequities in the division of unpaid work[[(Ervin et al., 2022)#^p7y23]] > Importantly, unpaid labour is highly gendered. Women across the globe are still considered primarily responsible for their household's unpaid labour, spending an average of 3–6 h per day on unpaid work, while men contribute 0·5–2 h[[(Ervin et al., 2022)#^za63d]]