Oct. 2016 poll: 75% of Palestinians support Abbas’ call on Britain to apologize for 1917 Balfour declaration promising establishment of Jewish homeland
Center for Opinion Polls, An-Najah University website - Oct. 17, 2016

Q: “Do you support or reject a call from President Mahmoud Abbas on Britain to accept the historical, legal, political, material, and moral responsibilities relating to the consequences of [the] Balfour Declaration including offering an apology to the Palestinian people for the catastrophes and injustice committed against them?”
   Total  West Bank  Gaza Strip
I support 75.0 78.7 68.8
I reject 17.5 17.3 17.8
No opinion/
I do not know
7.5 4.1 13.4
Total 100.0 100.0 100.0

Note: "Following are the results of the Palestinian Public Opinion Poll no. 53 conducted by the Center for Opinion Polls and Survey Studies at An-Najah National University during the period from 13-15 October 2016 (published Oct. 17, 2016). The University sponsors all polls conducted by its Center... The sample included 1362 persons... The sample was drawn randomly and the margin of error is about ±3%."