At least 1,250 were killed, while over 3,340 are still waiting to recieve their death sentence.
Top of the grim list was China, where 470 were executed.
Then came Iran (317), followed by Saudi Arabia (143), Pakistan (135), and then the United States of America (42).
Amnesty International UK Director Kate Allen said:
Yet again China has executed more people than any country in the world and even now, in Olympics year, China is secretly executing people after unfair trials and alleged torture.
Last year also saw the first ever UN resolution in favour of a global moratorium on executions. It was voted through by over 100 nations.
Amnesty International blog on this topic