As the U.K. debates the topic, data mapped by Newsweek shows which nations have already legalized various forms of assisted dying.

The proposed law has polarised opinion and has split the governing Labour Party. Lawmakers will vote on the proposed law on Nov. 29, almost 10 years since parliament rejected an earlier bid to legalise assisted dying.

However opponents of assisted dying have raised concerns that people could feel pressured into ending their lives. MPs will take part in an initial debate and vote on the Terminal