According to a new Amnesty report, global executions have fallen by 37 percent since 2015.
The deaths come after the assassination of one of the group's top militants last month.
The rights group claims Duterte's drugs war involves extrajudicial executions and falsified evidence.
2016 is likely to see a record-low number of new death sentences nationwide.
Drug maker's decision to not sell its products for use in executions will make it harder for states to carry out death sentences.
Texas to execute Coy "Elvis Wayne" Wesbrook after spending 17 years on death row.
Brandon Astor Jones, 72, is scheduled to die by lethal injection at 7 p.m. Tuesday.
Iran is one of the world's leading executors of prisoners.
A prominent Shi'ite Muslim cleric and dozens of al Qaeda members were among those killed.
Only six states carried out executions in 2015.
The woman was sentenced to be stoned to death after being convicted of adultery.
Fifty-two prisoners, including Al-Qaeda members, may be executed under Saudi government plans
At least three of those accused of terrorism crimes are juveniles.
A new report estimates that 300 people on death row served in the military.
It was the first execution in Florida since the U.S. Supreme Court ruled a controversial drug constitutional.
Iran is more willing to engage with the U.N. than in previous years, the report's author said.
The request follows the state's chemicals mix-up in the Richard Glossip case.
In Saudi Arabia, the death penalty is imposed on "offenses" such as apostasy, adultery, witchcraft and sorcery.
The human rights organization says executions could reach 1,000 by the end of 2015.