How long do you have to live with someone to be recognized as common law marriage?

The duration required to be recognized as a common law marriage varies by state or country, as there is no universal standard. In some places, couples may need to live together for several years, while others might have shorter timeframes. Additionally, other factors, such as the intention to be married and how the couple presents themselves publicly, also play a role in establishing a common law marriage. It's important to check the specific laws in your jurisdiction for accurate guidance.