You gain nothing if you vote where your vote counts most, and the candidate you vote for doesn't get elected. Probably.

• Is the predicted outcome in one of your countries particularly close? Your vote might help to make the difference.
• Do you feel a special affinity towards any one party or candidate, and do you want her or him to be elected?
• Do you dislike any one party or candidate, and would you use your vote 'tactically' to keep that candidate out?

You gain nothing if you vote where your vote counts most, and the candidate you vote for doesn't get elected. Probably.

• Is the predicted outcome in one of your countries particularly close? Your vote might help to make the difference.
• Are there "first past the fencepost" or "threshold" voting systems that would make your vote likely to be irrelevant?
• Do you feel a special affinity towards any one party or candidate, and do you want her or him to be elected?
• Do you dislike any one party or candidate, and would you use your vote 'tactically' to keep that candidate out?