Economic factors mediate the impact of drought on farmer suicides in India

The occurrence of farmer suicides has come to symbolize what is likely widespread and deep, but often hidden, agrarian distress. While this tragic phenomena has attracted tremendous attention in public discourse, its primary drivers remain poorly understood. In particular, climatic stress is often considered to be one such driver, but the mechanisms through which it triggers suicide remain disputed. Here, we provide evidence that factors related to agricultural income mediate the impact of climatic variability on farmer suicides in India. An analysis of temporal variation in suicide occurrence reveals that droughts, which impact farmers’ incomes, increase male farmer suicides by 19%, but have much smaller and insignificant impacts on other occupational or demographic groups. Moreover, whereas suicides by non-farmers are evenly distributed throughout the year, farmer suicides are concentrated during the agricultural season. These results help shed light on the mechanisms driving some of the most extreme and drastic social impacts of climatic variability and change.