http://www.hopesandfears.com/hopes/city/city_index/214133-city-index-marriage-lengths?ncid=newsltushpmg00000003 Headline: How long does the average marriage last around the world. Actual data: How long does the average marriage that ends in divorce last in 10 fairly random cities. There is just so much wrong with that headline even a tabloid would be ashamed.. hopefully. – How long does an average marriage last around the world?