Starting with the United States of America, we have whom many call the best pound-for-pound boxer of all time in welterweight and middleweight champion ‘Sugar’ Ray Robinson. His overall record was 174-19-6 with 99 stoppages. Robinson retired after losing to light heavyweight champion Joey Maxim, with a record of 132-3-2, before returning.
World featherweight, welterweight, and lightweight champion holding all three titles at the same time, Henry ‘Homicide Hank’ Armstrong, 149-21-10, with 99 stoppages. One of his losses after losing his titles was to Robinson. World middleweight champion Harry ‘Pittsburgh Windmill’ Greb, 262-17-18, or 108-9-3, with 49 stoppages.
Olympic Gold Medalist, 3-time World heavyweight champion Muhammad ‘The Greatest’ Ali, 56-5, with 37 stoppages. Heavyweight champion Joe ‘The Brown Bomber’ Louis, 66-3, with 52 stoppages. He had 25 title defenses.
Canada’s Heavyweight champion Tommy ‘The Little Giant of Hanover’ Burns, 47-4-8 with 35 stoppages at 5:07, was one of the smallest of champions in that division.
Mexico’s 3 division world champion Julio ‘J.C.’ Chavez, 107-6-2, with 85 stoppages had 29 title defenses. WBC Featherweight champion Salvador ‘Chava’ Sanchez, 44-1-1, with 32 stoppages. He was killed at the age of 23 in a car accident. 2 division world champion Ricardo ‘Finita’ Lopez, 51-0-1, with 38 stoppages. He had 24 title defenses.
Panama’s 4 division world champion Roberto ‘Hands of Stone’ Duran, 103-16, with 70 stoppages.
Nicaragua’s 3-division world champion Alexis ‘Thin Man’ Arguello, 77-8 with 62 stoppages.
Argentina’s world middleweight champion Carlos ‘Escopeta’ Monzon, 88-3-9, with 59 stoppages. The 2 time Olympian and 2 division world champion Omar ‘El Huracan’ Narvaez, 49-4-2, with 25 stoppages, had 27 title defenses.
Colombia’s Light Welterweight champion Antonio ‘Kid Pambele’ Cervantes, 67-12-1, with 37 stoppages.
Venezuela’s Light Welter champion Carlos ‘Morocho’ Hernandez, 60-12-4, with 44 stoppages.
Brazil’s 2 division world champion Eder Jofre, 72-2-4, with 50 stoppages.
Puerto Rico’s 3-division world champion Wilfred ‘Bazooka’ Gomez, 44-3-1, with 42 stoppages. 3-division world champion Felix ‘Tito’ Trinidad, 42-3, with 35 stoppages.
Cuba’s Junior Lightweight champion, Kid Chocolate, 136-10-6, with 51 stoppages. Welterweight champion Louis ‘El Feo’ Rodriguez, 107-13, with 49 stoppages.
Philippines 6 division world champion Manny ‘Pac Man’ Pacquiao, 62-8-2, with 39 stoppages.
Japan’s 2 division world champion Fighting Harada, 55-7, with 22 stoppages. 4 division world champion Naoya ‘Monster’ Inoue, 28-0, with 25 stoppages.
Thailand’s world flyweight champion Pongsaklek Wonjongkam, 91-5-2, with 47 knockouts.
Indonesia’s world featherweight champion Chris ‘The Dragon’ John, 48-1-3, with 22 stoppages.
South Korea’s world light flyweight champion Myung Woo Yuh, 38-1, with 14 stoppages.
Virgin Islands 2-division world champion Julian ‘The Hawk’ Jackson, 55-6, with 49 stoppages.
Jamaica’s 3-division world champion Michael ‘Bodysnatcher’ McCallum, 49-5-1, with 36 stoppages.
Ghana’s 2-division world champion Azumah ‘The Professor’ Nelson, 38-6-2, with 27 stoppages.
Nigeria’s middleweight champion Dick Tiger, 60-19-3, with 27 stoppages.
Uganda’s world light middleweight champion John ‘The Beast’ Mugabi, 42-7-1, with 39 stoppages.
Australia’s world bantamweight champion Lionel Rose, 42-11, with 12 stoppages. World featherweight champion Johnny Famechon, 56-5-6, with 20 stoppages. 3 divisional champion Jeff ‘Marrickville Mauler’ Fenech, 29-3-1, with 21 stoppages.
Wales super middleweight champion Joe Calzaghe, 46-0, with 32 stoppages. World flyweight champion Jimmy ‘The Mighty Atom’ Wilde, 131-3-1, with 98 stoppages.
Scotland’s World lightweight champion Ken Buchanan, 61-8, with 27 stoppages.
France’s world bantamweight champion Panama Al Brown, 128-19-12, with 59 stoppages. World middleweight champion Marcel Cerdan, 111-4, with 65 stoppages.
Spain’s world lightweight champion Pedro Carrasco, 105-3-2, with 67 stoppages. World featherweight champion Jose ‘Pocket Cassius Clay’ Legra, 129-11-4, with 49 stoppages.
Hungary’s 3-time Olympic Gold Medalist European middleweight champion Laszlo Papp, 27-0-2, with 15 stoppages.
Italy’s Olympic Gold Medalist, world middleweight champion Nino Benvenuti, 82-7-1, with 35 stoppages.
Poland’s 2 division world champion Darius ‘Tiger’ Michalczewski, 48-2, with 38 stoppages.
Ukraine’s Olympic Gold Medalist, world heavyweight champion Wladimir ‘Dr. Steelhammer’ Klitschko, 64-5, with 53 stoppages. World heavyweight champion Vitali ‘Dr. Ironfist Klitschko, 45-2, with 41 stoppages. Olympic Gold Medalist, 2 division world champion Oleksandr Usyk, 22-0, with 14 stoppages. 2-time Olympic Gold Medalist, 3 division world champion Vasyl ‘Loma’ Lomachenko, 18-3, with 12 stoppages.
Germany’s world heavyweight champion Max Schmeling, 56-10-4, with 39 stoppages. Super middle champion Sven ‘Phantom’ Ottke, 34-0, with 6 stoppages. Euro middleweight champion Gustav ‘Bubi’ Scholz, 88-2-6, with 46 stoppages.
Russia’s world heavyweight champion Nikolai ‘The Russian Giant’ Valuev, 50-2, with 34 stoppages.
Kazakhstan’s Olympian, world middleweight champion Gennadiy ‘GGG’ Golovkin, 42-2-1, with 37 stoppages.
Denmark’s world super middleweight champion Mikkel ‘The Viking Warrior’ Kessler, 46-3, with 35 stoppages.
Give me your opinion on who I left out.