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Title History I.W.G.P. Heavyweight
Most Reigns
(Minimum 2)
  Reigns: First Win: Last Win:
Hiroshi Tanahashi 8 Jul. 17, 2006 Jan. 04, 2019 
Tatsumi Fujinami 6 May 08, 1988 Apr. 04, 1998 
Kazuchika Okada 5 Feb. 12, 2012 Apr. 06, 2019 
Kensuke Sasaki 5 Aug. 31, 1997 Oct. 09, 2004 
Hiroyoshi Tenzan 4 Nov. 03, 2003 May 14, 2005 
The Great Muta 4 Aug. 16, 1992 Apr. 27, 2008 
Big Van Vader 3 Apr. 24, 1989 Jan. 17, 1991 
Kazuyuki Fujita 3 Apr. 09, 2001 Jul. 18, 2005 
Riki Choshu 3 Jul. 12, 1989 Jan. 04, 1992 
Shinsuke Nakamura 3 Dec. 09, 2003 Sep. 27, 2009 
Shinya Hashimoto 3 Sep. 20, 1993 Apr. 29, 1996 
Tetsuya Naito 3 Apr. 10, 2016 Aug. 29, 2020 
A.J. Styles 2 May 03, 2014 Feb. 11, 2015 
Satoshi Kojima 2 Feb. 20, 2005 Oct. 11, 2010 
Scott Norton 2 Sep. 23, 1998 Mar. 17, 2001 
Yuji Nagata 2 Apr. 05, 2002 Apr. 13, 2007 

Longests Reigns
(Minimum 31 Days)
    Won: Lost: Length:
1.  Kazuchika Okada Jun 19, 2016 Jun 09, 2018 720 days
2.  Shinya Hashimoto Apr 29, 1996 Aug 31, 1997 489 days
3.  Hiroshi Tanahashi Jan 04, 2011 Feb 12, 2012 404 days
4.  The Great Muta Aug 16, 1992 Sep 20, 1993 400 days
5.  Yuji Nagata Apr 05, 2002 May 02, 2003 392 days
6.  Kazuchika Okada Apr 07, 2013 May 03, 2014 391 days
7.  Big Van Vader Aug 10, 1989 Aug 19, 1990 374 days
8.  Shinya Hashimoto May 01, 1994 May 03, 1995 367 days
9.  Keiji Mutoh Jan 04, 1999 Dec 10, 1999 340 days
10.  Antonio Inoki Jun 12, 1987 May 02, 1988 325 days
11.  Tatsumi Fujinami Mar 04, 1991 Jan 04, 1992 306 days
12.  Hiroshi Tanahashi Jun 16, 2012 Apr 07, 2013 295 days
13.  Tatsumi Fujinami Jun 24, 1988 Apr 05, 1989 285 days
14.  Brock Lesnar Oct 08, 2005 Jul 15, 2006 280 days
  Kazuchika Okada Jul 05, 2015 Apr 10, 2016 280 days
16.  Kensuke Sasaki Jan 04, 2000 Oct 09, 2000 279 days
17.  Kazuchika Okada Apr 06, 2019 Jan 05, 2020 274 days
18.  Kazuyuki Fujita Apr 09, 2001 Jan 04, 2002 270 days
  Hiroshi Tanahashi Jul 17, 2006 Apr 13, 2007 270 days
20.  Keiji Mutoh Apr 27, 2008 Jan 04, 2009 252 days

Total Time Holding Championship
    Reigns: Span: Total: Average:
1.  Kazuchika Okada 5 2012-2020 1790 days 358 days
2.  Hiroshi Tanahashi 8 2006-2019 1406 days 176 days
3.  The Great Muta 4 1992-2009 1238 days 310 days
4.  Shinya Hashimoto 3 1993-1997 1052 days 351 days
5.  Tatsumi Fujinami 6 1988-1998 785 days 131 days
6.  Kensuke Sasaki 5 1997-2004 647 days 129 days
7.  Yuji Nagata 2 2002-2007 570 days 285 days
8.  Kazuyuki Fujita 3 2001-2005 478 days 159 days
9.  Big Van Vader 3 1989-1991 451 days 150 days
10.  Shinsuke Nakamura 3 2003-2010 390 days 130 days
11.  Tetsuya Naito 3 2016-2021 387 days 129 days
12.  Riki Choshu 3 1989-1992 383 days 128 days
13.  Antonio Inoki 1 1987-1988 325 days 325 days
14.  A.J. Styles 2 2014-2015 297 days 149 days
15.  Brock Lesnar 1 2005-2006 280 days 280 days
16.  Kenny Omega 1 2018-2019 209 days 209 days
17.  Hiroyoshi Tenzan 4 2003-2005 197 days 49 days
18.  Yoshihiro Takayama 1 2003-2003 185 days 185 days
19.  Satoshi Kojima 2 2005-2011 168 days 84 days
20.  Togi Makabe 1 2010-2010 161 days 161 days

Title Change Locations
  CITY: #
 Osaka, Japan 18
 Tokyo, Japan 9
  STATE/PROV.: #
 Kanto, Japan 9
  COUNTRY: #
 Japan 21

Title Changes At Events
Event: Changes:
Dominion 6
Wrestle Kingdom 4
The New Beginning 3
Wrestling Dontaku 2
Invasion Attack 2