Bit of #wikidata fun today: pairs of people who both have an English #Wikipedia article and are married to one another. Represents ~4% of English WP biographies. https://w.wiki/6PuL
The oddity is that this value seems to be pretty common across projects - Portuguese is up to 5% and German down to 3.5%, but Finnish, English, Hindi, Japanese are all around 4%. No idea what that might indicate, but interesting to note.
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A bit of experimenting with sitelinks: of mixed-gender married couples where both have enwiki articles, the men average 3.3x as many sitelinks as the women (median 1.5x), but there is quite a wide distribution - around 1/3 of women have more sitelinks than their husbands.
