Lukhan Salakaia-Loto (New Zealand): Residency (2002)
Isi Naisarani (Australia): Residency (2019)
Will Genia (Papa New Guinea): Residency (2003)
Christian Leali'ifano (New Zealand): Residency (1997)
Samu Kerevi (Fiji): Residency (2004)
Tevita Kuridrani (Fiji): Residency (2010)
Marika Koroibete (Fiji): Residency (2015)
Dane Haylett-Petty (South Africa): Residency (2003)
LONDON, ENGLAND - OCTOBER 03: David Pocock of Australia celebrates victory after the 2015 Rugby World Cup Pool A match between England and Australia at Twickenham Stadium on October 3, 2015 in London, United Kingdom. (Photo by Mike Hewitt/Getty Images)
5. USA - 13
Dylan Fawsitt (Ireland): Residency (2017)
James Hilterbrand (Australia): Parent
Paul Mullen (Ireland): Grandparent
Greg Peterson (Australia): Parent
Hanco Germishuys (South Africa): Residency (2007)
Tony Lamborn (New Zealand): Parent
John Quill (Ireland): Parent
Shaun Davies (South Africa): Residency (2012)
Ruben du Haas (South Africa): Residency (2012)
Will Hooley (England): Grandparent
AJ MacGinty (Ireland): Residency (2015)
Will Magie (England): Parent
Paul Lasike (New Zealand): Residency 2012
4. Scotland - 14
Allan Dell (South Africa): Grandparent
Simon Berghan (New Zealand): Grandparent
WP Nel (South Africa): Residency (2015)
Ben Toolis (Australia): Parent
John Barcley (Hong Kong): Parent
Hamish Watson (England): Grandparent
Blade Thomson (New Zealand): Grandparent
Ryan Wilson (England): Grandparent
Ali Price (England): Parent
Chris Harris (England): Grandparent
Sam Johnson (Australia): Residency (2018
Duncan Taylor (England): Parent
Sean Maitland (New Zealand): Grandparent
Tommy Seymour (USA): Parent
3. Japan - 16
Isieli Nakajima (Tonga): Residency (2011)
Ji-Won Koo (South Korea): Residency (2011)
Asaeli Valu (Tonga): Residency (2007)
Luke Thompson (New Zealand): Residency (2007)
Wimpie van der Walt (South Africa): Residency (2017)
Uwe Helu (Tonga): Residency (2016)
James Moore (Australia): Residency (2019)
Michael Leitch (New Zealand): Residency (2007)
Lappies Labuschagne (South Africa): Residency (2019)