Some 270 million cluster bombs were dropped on Laos in the 1960s and 70s, which means there are as many as 80 million bomblets that may have been left unexploded. Up to 4 million cluster submunitions were dropped in Lebanon by Israel in 2006, meaning as many as 1.2 million may have been left unexploded.
The numbers of civilian casualties cluster bombs cause even decades after being dropped — often more than are killed by land mines — ought to mean that cluster munitions are relegated to a bygone era of indiscriminate war. Their continued use is met with almost universal revulsion, and the Convention on Cluster Munitions banning their use has 113 signatories.