Sex Ratio and Terrorist Group Survival

Using data of 638 terrorist groups operating in 92 countries for the period 1970–2016, we examine the relationship between gender imbalance and a resident terrorist group survival. Our empirical design employs alternative models and controls for terrorist group characteristics, base-country influences, and unobservable regional fixed effects. An increase in male-to-female ratio is associated with lower probability of terrorist groups demise, suggesting that countries with a skewed male population are less able to combat terrorism.