If Justin Trudeau resigned, and the federal Liberals had a new leader for the next election:

Cross-referenced with "What party did you vote for in the 2015 federal election?"

Green
57%
7%
0%
36%
Liberal
28%
5%
48%
19%
NDP
26%
2%
12%
61%
Conservative
8%
3%
2%
88%