> Hamas won 42.5% in the elections in 2006, no elections took place since
...because Israel (which still occupies and directly administers some of the territory involved) has refused to cooperate with joint PA/Hamas agreements on subsequent all-Palestine elections, preferring to freeze in place the current split and presence of "elected" governments that most people subject to weren't eligible to vote (and in Gaza, where the median age is about the interval since the election, its right on the edge of the the majority not even having been alive) at the last election.
...because Israel (which still occupies and directly administers some of the territory involved) has refused to cooperate with joint PA/Hamas agreements on subsequent all-Palestine elections, preferring to freeze in place the current split and presence of "elected" governments that most people subject to weren't eligible to vote (and in Gaza, where the median age is about the interval since the election, its right on the edge of the the majority not even having been alive) at the last election.