Yes, cousin marriage is common in Afghanistan. This practice is rooted in cultural and societal norms, often viewed as a way to strengthen family ties, preserve wealth within the family, and ensure compatibility between spouses.
While not universal, cousin marriage is prevalent enough to be a significant factor in the country's demographics. Research indicates that around 46.2% of marriages in Afghanistan involve cousins, with some regions reporting even higher rates.
While societal views are shifting, it's important to note that cultural traditions can be deeply ingrained and change can be gradual.