The Namibia national rugby union team represents Namibia in men's international rugby union competitions nicknamed the Welwitschias, are a tier-two nation in the World Rugby tier system, and have participated in seven Rugby World Cup competitions since their first appearance in 1999. They are governed by the Namibia Rugby Union.
The 1987 Rugby World Cup was the first Rugby World Cup. It was co-hosted by New Zealand and Australia – New Zealand hosted 21 matches while Australia hosted 11 matches. The tournament was won by New Zealand, who were the strong favourites and won all their matches comfortably. New Zealand defeated France 29–9 in the final at Eden Park in Auckland. The New Zealand team was captained by David Kirk and included such rugby greats as Sean Fitzpatrick, John Kirwan, Grant Fox and Michael Jones. Wales finished third, and Australia fourth, after conceding crucial tries in the dying seconds of both their semi-final against France and the third-place play-off against Wales.
The Georgia national rugby union team, nicknamed The Lelos, represents Georgia in men's international rugby union. The team is administered by the Georgian Rugby Union and takes part in the annual Rugby Europe Championship and the Rugby World Cup, which takes place every four years.
The Japan national rugby union team, often a.k.a “Cherry Blossoms”, or a.k.a “Sakura”, and more a.k.a “The Brave Blossoms” is traditionally the strongest rugby union power in Asia and has enjoyed and endured mixed results against non-Asian teams over the years. Rugby union in Japan is administered by the Japan Rugby Football Union (JRFU), which was founded in 1926. They compete annually in the Pacific Nations Cup and previously in the Asia Rugby Championship. They have also participated in every Rugby World Cup since the tournament began in 1987.
The 1991 Rugby World Cup was the second edition of the Rugby World Cup, and was jointly hosted by England, Scotland, Wales, Ireland and France: at the time, the five European countries who participated in the Five Nations Championship. This was the first Rugby World Cup to be staged in the northern hemisphere, with England the hosts of the final. Also for the first time, qualifying competitions were introduced as the number of entrants had increased from 16 nations four years before to a total of 33 countries. The eight quarter-finalists from 1987 qualified automatically with the remaining eight spots contested through qualifiers by 25 countries. This resulted in only one new side qualifying for the tournament, Western Samoa replacing Tonga. The same 16-team pool/knock-out format was used with just minor changes to the points system. South Africa was again not included because of sanctions imposed on the country by the IRB, due to the government's apartheid policies.
The Italy national rugby union team represents the Italian Rugby Federation in men's international rugby union. The team is known as gli Azzurri. Savoy blue is the common colour of the national teams representing Italy, as it is the traditional colour of the royal House of Savoy which reigned over the Kingdom of Italy from 1860 to 1946.
The United States men's national rugby union team, nicknamed the Eagles, represents the United States of America Rugby Football Union in men's international rugby union. USA Rugby is the national governing body for the sport of rugby union in the United States, and is a member of Rugby Americas North, one of six regional governing bodies under World Rugby. Until rugby returned to Olympic competition, with sevens at the 2016 Rio Games, the United States was the reigning Olympic rugby champion, having defeated the one other competitor in 1920 and the two other competitors at the 1924 Summer Olympics.
The Canada men's national rugby union team represents the Canada in men's international rugby union competitions. They are overseen by Rugby Canada the governing body of rugby union in Canada.
Rugby World Cup records have been accumulating since the first Rugby World Cup tournament was held in 1987.
The Georgia national rugby union team has competed in five consecutive Rugby World Cup tournaments. Starting in 2003, they were placed in Pool C with eventual winners England, South Africa, Uruguay and Samoa, where they lost all four matches. Georgia qualified for the 2007 World Cup and were placed in Pool D with Argentina, France, Ireland and Namibia, where they beat Namibia. In 2011 Rugby World Cup, Georgia qualified for their third straight tournament. They were placed in Pool B with Scotland, England, Argentina and Romania and won the game against rivals Romania. Their best performance was in 2015 tournament, when they were drawn against eventual world champions New Zealand, Argentina, Tonga and Namibia. Georgia won games against Tonga and Namibia, finished third in the group and automatically qualified for 2019 Rugby World Cup.
The England national team have competed in every Rugby World Cup since the inaugural tournament in 1987. They have played 57 matches in ten tournaments, and won 42 for a winning record of 73.68%. Their best ever position was champions in 2003, whilst they have also participated in three other finals; the 2019 final, the 2007 final and the final of the 1991 competition. They have beaten one country five times, Argentina and three countries four times; Australia, United States and Samoa. Their worst record is against South Africa, who have defeated them in five of their six encounters.
Scotland have played in every Rugby World Cup since the inaugural tournament in 1987.
Argentina have competed in all the Rugby World Cup tournaments, starting with the inaugural 1987 tournament.
The Rugby World Cup is a rugby union tournament held every four years and contested by the men's national teams of the member unions of World Rugby. The Wales national rugby union team has participated in all ten Rugby World Cup tournaments. Up to and including 2015, hosting of the tournament alternated between traditional rugby heartlands in the southern hemisphere and those in Europe. Wales was the primary host in 1999, with Cardiff's Millennium Stadium built to coincide with the event, and the other three tournaments played in Europe have also used venues in Wales to some degree. Cardiff's Millennium Stadium and its predecessor, the Cardiff Arms Park, will have hosted a total 21 matches over a total of four World Cups. This is the largest number of World Cup games hosted by one venue.
The Ireland national rugby union team have played in all ten Rugby World Cup tournaments. They have reached the quarter-finals at all but two tournaments, but have yet to progress to the semi-finals. They have finished top of their pool on three occasions.
Italy have competed in all the Rugby World Cup tournaments, having made their first appearance in the inaugural 1987 tournament. They have finished third in their pool at every tournament, except in 1999, the only tournament where they lost more than two games. Having never finished in the top two in their pool, they have never qualified to progress to the quarter-finals. They have won the most matches of those that have never made it to the quarter-finals.
The Canada national rugby union team has played in every Rugby World Cup except 2023 since the inaugural tournament in 1987. Their best performance was in 1991, when they beat Fiji and Romania, qualifying for the quarter-finals, where they lost to New Zealand.
The Japan national team have competed in every Rugby World Cup since the inaugural tournament in 1987. They are so far the only team to reach the Rugby World Cup through Asian regional qualifying. In 2019, they progressed to the quarterfinals for the first time in their participation, making them the first Asian team to do so in the tournament.
The United States national rugby union team has played in all but two Rugby World Cups since the inaugural tournament in 1987. The USA is the second strongest national rugby side in North America, and the third strongest in the Americas after Argentina and Canada.
Pool 2 of the 1987 Rugby World Cup began on 24 May and was completed on 3 June. The pool was composed of Wales, Ireland, Canada and Tonga.
Tonga 
