1. Rome, Italy: 15 to 18 years
However, Rome still has the most couples who stay together long term, at 15 to 18 years, including the years of separation until the time of divorce, according to The Economist.
2. Ottawa, Canada: 13.8 years
The average length of a marriage in Ottawa is 13.8 years, according to Statistics Canada. However, with divorce rates continuously rising with the national divorce rate at 48 percent,Hopes & Fears says this number may have changed.
3. Paris, France: 13 years
4. New York City, USA…
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