In 2014, Aleksanyan won the gold medal at the 2014 European Wrestling Championships in Vantaa, winning his third European Championship, and later that year also won the gold medal at the 2014 World Wrestling Championships in Tashkent. This was the first World Championship of his senior career. He defeated Ghasem Rezaei in the semifinals, avenging his Olympic loss, and defeated Oliver Hassler (Germany) in the finals. Aleksanyan was voted the Armenian Athlete of the Year for 2014. The following year, he won his second World Championships by winning another gold medal at the 2015 World Wrestling Championships in Las Vegas. He defeated Rezaei again in the finals. Aleksanyan was voted the Armenian Athlete of the Year for 2015, being named the title for a second year in a row.