I recently updated the isocrat.org page on the marriage stats in jurisdictions offering same-sex union rights, here.
For some reason, I get a lot of folks linking to this blog on posts where I have the old versions of these images (if you're one of them, I'd recommend using the isocrat.org images as they get updated). Here I'll just put up the new figures, for anyone wanting to use them, but they are described and analyzed and updated on that page. References to the sources of the data are there too.
Finally a couple more on public opinion, discussed here.
You gotta love graphs, right? Any suggestions as to how to make them more visually friendly/informative?