World of Stardom Championship
Professional wrestling women's championship
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The World of Stardom Championship (ワールド・オブ・スターダム王座, Wārudo Obu Sutādamu Ōza) is a women's professional wrestling world championship owned by the World Wonder Ring Stardom promotion. The title, which is situated at the top of Stardom's championship hierarchy, was introduced on June 26, 2011, and the inaugural champion was crowned on July 24, 2011, when Nanae Takahashi defeated Yoko Bito in the finals of a four-woman tournament.[1] The reigning champion is Saya Kamitani in her first reign.
| World of Stardom Championship | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
The current World of Stardom Championship belt (2020–present) | |||||||||||||||||||
| Details | |||||||||||||||||||
| Promotion | World Wonder Ring Stardom | ||||||||||||||||||
| Date established | June 26, 2011[1] | ||||||||||||||||||
| Current champion | Saya Kamitani | ||||||||||||||||||
| Date won | December 29, 2024 | ||||||||||||||||||
| |||||||||||||||||||
History

Inaugural tournament (2011)
On July 24, 2011, Nanae Takahashi defeated Yoko Bito in the finals of a four-woman tournament to become the inaugural champion.[1]
| Semifinals | Finals | ||||||
| Mika Nagano | Pin | ||||||
| Yoko Bito | 9:10 | ||||||
| Yoko Bito | |||||||
| Nanae Takahashi | 13:17 | ||||||
| Mercedes Martinez | |||||||
| Nanae Takahashi | 12:21 | ||||||
2015 tournament
On February 22, 2015, during a title match between the current champion Yoshiko and Act Yasukawa, Yoshiko began shooting on Yasukawa, legitimately injuring her, with the match having to be ended prematurely. Yasukawa was diagnosed with fractured cheek, nasal and orbital bones, which would require surgery.[6] Three days later, Yoshiko was stripped of the title.[7] On March 29, Kairi Hojo defeated Io Shirai in the finals of a four-woman tournament to win the vacant championship.[8]
| Semifinals | Finals | ||||||
| Io Shirai | Pin | ||||||
| Takumi Iroha | 17:43 | ||||||
| Io Shirai | 18:46 | ||||||
| Kairi Hojo | Pin | ||||||
| Kairi Hojo | Pin | ||||||
| Kyoko Kimura | 12:24 | ||||||
On September 24, 2017, during a match between defending champion Mayu Iwatani against Toni Storm, Iwatani legitimately dislocated her elbow, prompting the referee to stop the match and award the championship to Storm.[9]
Origin and belt design
The title is often referred to simply as the "Red Belt", a name famously used by All Japan Women's Pro-Wrestling (AJW) to refer to its WWWA World Single Championship (of which Takahashi had been the last titleholder back in 2006).[1][10][11] The title belt was crafted by American company Top Rope Belts,[12] with a conscious decision to imitate the AJW title belt in terms of its color, with Stardom president Rossy Ogawa referring to the promotion's heyday as the "Golden Age of Joshi Puroresu".[13] The title has also been defended in Mexico and France.[14][15][16]
Reigns
As of March 14, 2026, there have been 20 reigns between 17 champions and two vacancies. Nanae Takahashi was the inaugural champion, as well as the longest reign at 602 days. Natsuko Tora has the shortest reign at 34 days. Io Shirai, Mayu Iwatani and Tam Nakano have the most reigns at two. Tam Nakano is the oldest champion at 36 years old, while Yoshiko is the youngest at 21 years old.
Saya Kamitani is the current champion in her first reign. She won the title by defeating Tam Nakano at Stardom Dream Queendom on December 29, 2024.
| No. | Overall reign number |
|---|---|
| Reign | Reign number for the specific champion |
| Days | Number of days held |
| Defenses | Number of successful defenses |
| + | Current reign is changing daily |
| No. | Champion | Championship change | Reign statistics | Notes | Ref. | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Date | Event | Location | Reign | Days | Defenses | |||||
| World Wonder Ring Stardom (ST★RDOM) | ||||||||||
| 1 | Nanae Takahashi | July 24, 2011 | Stardom × Stardom 2011 | Tokyo, Japan | 1 | 602 | 7[17] | Defeated Yoko Bito in the finals of a four-woman tournament to become the inaugural champion. | [1][18] | |
| 2 | Alpha Female | March 17, 2013 | Stardom the Highest 2013 | Tokyo, Japan | 1 | 43 | 0[19] | [17][20] | ||
| 3 | Io Shirai | April 29, 2013 | Ryōgoku Cinderella | Tokyo, Japan | 1 | 468 | 10[21] | [19][22][23] | ||
| 4 | Yoshiko | August 10, 2014 | Stardom × Stardom 2014 | Tokyo, Japan | 1 | 199 | 3[24][Note 1] | [21][25] | ||
| — | Vacated | February 25, 2015 | — | Tokyo, Japan | — | — | — | Yoshiko was stripped of the championship and suspended indefinitely for legitimately beating and injuring Act Yasukawa in her fourth title defense on February 22. | [7][26][27] | |
| 5 | Kairi Hojo | March 29, 2015 | Stardom the Highest 2015 | Tokyo, Japan | 1 | 119 | 3[28] | Defeated Io Shirai in the finals of a four-woman tournament to win the vacant championship. | [8][29] | |
| 6 | Meiko Satomura | July 26, 2015 | Stardom × Stardom 2015: Manatsu no Saiten | Tokyo, Japan | 1 | 150 | 1 | [28][30][31][32] | ||
| 7 | Io Shirai | December 23, 2015 | Stardom Yearend Climax 2015: Nenkan Saishū Kessen | Tokyo, Japan | 2 | 546 | 14[33] | [34] | ||
| 8 | Mayu Iwatani | June 21, 2017 | Galaxy Stars 2017 | Tokyo, Japan | 1 | 95 | 2[9] | [33][35][36] | ||
| 9 | Toni Storm | September 24, 2017 | 5☆Star GP 2017 × Champions in Nagoya | Nagoya, Japan | 1 | 258 | 3[37] | Won the title via referee stoppage after Mayu Iwatani legitimately dislocated her elbow during the match. | [9][38][39] | |
| 10 | Kagetsu | June 9, 2018 | Stardom Shining Stars 2018 | Yokohama, Japan | 1 | 329 | 8[40] | [37][41] | ||
| 11 | Bea Priestley | May 4, 2019 | Golden Week Stars 2019 Queen's Quest Produce | Tokyo, Japan | 1 | 184 | 5[42] | [40][43] | ||
| 12 | Mayu Iwatani | November 4, 2019 | Best Of Goddess 2019 | Tokyo, Japan | 2 | 377 | 5[44] | [42] | ||
| 13 | Utami Hayashishita | November 15, 2020 | Sendai Cinderella | Sendai, Japan | 1 | 409 | 9[45] | [44] | ||
| 14 | Syuri | December 29, 2021 | Dream Queendom 2021 | Tokyo, Japan | 1 | 365 | 10[46] | This was a Winner Takes All match in which Syuri's SWA World Championship was also on the line. | [47] | |
| 15 | Giulia | December 29, 2022 | Dream Queendom 2022 | Tokyo, Japan | 1 | 115 | 2 | [48] | ||
| 16 | Tam Nakano | April 23, 2023 | All Star Grand Queendom | Yokohama, Japan | 1 | 211 | 3 | [49] | ||
| — | Vacated | November 20, 2023 | — | Tokyo, Japan | — | — | — | The championship was vacated after Tam Nakano was sidelined with an injury. | [50][51] | |
| 17 | Maika | December 29, 2023 | Dream Queendom 2023 | Tokyo, Japan | 1 | 212 | 6 | Defeated Suzu Suzuki to win the vacant championship. | [52][53] | |
| 18 | Natsuko Tora | July 28, 2024 | Sapporo World Rendezvous (Night 2) |
Sapporo, Japan | 1 | 34 | 0 | [54] | ||
| 19 | Tam Nakano | August 31, 2024 | 5Star Grand Prix (Night 12) |
Tokyo, Japan | 2 | 120 | 2 | [55] | ||
| 20 | Saya Kamitani | December 29, 2024 | Dream Queendom 2024 | Tokyo, Japan | 1 | 440+ | 9 | [56] | ||
Combined reigns
As of March 14, 2026.

| † | Indicates the current champion |
| Rank | Wrestler | No. of reigns |
Combined defenses |
Combined days |
|---|---|---|---|---|
| 1 | Io Shirai | 2 | 24 | 1,014 |
| 2 | Nanae Takahashi | 1 | 7 | 602 |
| 3 | Mayu Iwatani | 2 | 7 | 472 |
| 4 | Saya Kamitani † | 1 | 9 | 440+ |
| 5 | Utami Hayashishita | 1 | 9 | 409 |
| 6 | Syuri | 1 | 10 | 365 |
| 7 | Tam Nakano | 2 | 5 | 331 |
| 8 | Kagetsu | 1 | 8 | 329 |
| 9 | Toni Storm | 1 | 3 | 258 |
| 10 | Maika | 1 | 6 | 212 |
| 11 | Yoshiko | 1 | 3 | 199 |
| 12 | Bea Priestley | 1 | 5 | 184 |
| 13 | Meiko Satomura | 1 | 1 | 150 |
| 14 | Kairi Hojo | 1 | 3 | 119 |
| 15 | Giulia | 1 | 2 | 115 |
| 16 | Alpha Female | 1 | 0 | 43 |
| 17 | Natsuko Tora | 1 | 0 | 34 |
Footnotes
- Following Yoshiko's suspension the result of her third successful title defense was retroactively changed to a no contest.