Number of Six Nations Championship season appearances 1883-2024, by country
As of 2024, the Welsh, Irish, and Scottish national rugby union teams were tied for the most season appearances in the Six Nations Championship. Since the competition began in its original form as the Home Nations Championship in 1883, the three countries have appeared in 130 Six Nations seasons. As the latest country to enter the tournament, having done so in 2000, Italy had the least number of appearances, with 25.