The members of the Worldcon, or World Science Fiction Convention, decide on where it will be located three years from the current year by voting in the site selection. There are rules for where a Worldcon can be located: Bids must be further than 500 miles or 800 kilometers from the administrating Worldcon.

An advance membership fee is collected with each vote; this money will be given to the winning bid, and each voter gets at least a supporting membership in that convention.

The next three Worldcons are:

The next NASFiC is:

Previous Worldcons & NASFiCs:

For more information about Worldcons, The World Science Fiction Society, and Bidding for Worldcons, please visit the following sites: