France, Ireland, Italy, United Kingdom (England, Scotland, Wales)
Survey time period
1883 to 2023
Supplementary notes
The Six Nations Championship began in 1883 as the Home International Championship, with only England, Scotland, Wales, and Ireland competing. France joined in 1910, ushering in the Five Nations era. However, it was ousted in 1931 before rejoining in 1947. Italy entered the competition in 2000. The competition has been called the Six Nations ever since.
Competitions in 1885, 1897, 1898, and 1972 were not completed.
The chronology for the competition's history was taken from .
Italy was omitted from the statistic, having never won a Grand Slam.
Citation formats
National rugby teams with the most Grand Slams won in the Men's Six Nations 2023
Since Italy joined the competition in 2000, the national rugby union teams with the most Six Nations Championship Grand Slams were Wales and France, with both countries tied at **** titles. Meanwhile, during the Five Nations Championship eras, which came between 1910 and 1931, as well as 1947 and 1999, England had the most Grand Slams, having won **. A Grand Slam is when a team beats every other team in the competition on its way to a championship title, which, in the case of the Six Nations, means winning **** out of five matches.
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Six Nations Rugby. (November 23, 2023). Countries with the most Grand Slams won in the Men's Six Nations Championships from 1883 and 2023, by era [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1441336/most-grand-slams-won-six-nations-countries-era/
Six Nations Rugby. "Countries with the most Grand Slams won in the Men's Six Nations Championships from 1883 and 2023, by era." Chart. November 23, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1441336/most-grand-slams-won-six-nations-countries-era/
Six Nations Rugby. (2023). Countries with the most Grand Slams won in the Men's Six Nations Championships from 1883 and 2023, by era. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1441336/most-grand-slams-won-six-nations-countries-era/
Six Nations Rugby. "Countries with The Most Grand Slams Won in The Men's Six Nations Championships from 1883 and 2023, by Era." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 23 Nov 2023, /statistics/1441336/most-grand-slams-won-six-nations-countries-era/
Six Nations Rugby, Countries with the most Grand Slams won in the Men's Six Nations Championships from 1883 and 2023, by era ÌÇÐÄÆƽâ°æ, /statistics/1441336/most-grand-slams-won-six-nations-countries-era/ (last visited July 29, 2026)
Countries with the most Grand Slams won in the Men's Six Nations Championships from 1883 and 2023, by era [Graph], Six Nations Rugby, November 23, 2023. [Online]. Available: /statistics/1441336/most-grand-slams-won-six-nations-countries-era/
