Decathlon national records (7)
| Nation | Points | Decathlete | Venue |
| France | 9126 | Kevin Mayer | Talence 2018 |
| USA | 9045 | Ashton Eaton | Beijing 2015 |
| Czech Republic | 9026 | Roman Šebrle | Götzis 2001 |
| Canada | 9018 | Damian Warner | Tokyo 2021 |
| Germany | 8961 | Leo Neugebauer | Eugene 2024 |
| Great Britain | 8847 | Daley Thompson | Los Angeles 1984 |
| Estonia | 8815 | Erki Nool | Edmonton 2001 |
| Norway | 8796 | Markus Rooth | Paris 2024 |
| Grenada | 8756 | Lindon Victor | Budapest 2023 |
| Belarus | 8735 | Eduard Hämäläinen | Götzis 1994 |
| Puerto Rico | 8732 | Ayden Owens | Walnut, CA 2024 |
| Finland | 8730 | Eduard Hämäläinen | Athens 1997 |
| Kazakstan | 8725 | Dmitri Karpov | Athens 2004 |
| Ukraine | 8709 | Oleksandr Apaichev | Neubrandenburg 1984 |
| Russia | 8698 | Grigori Degtyaryov | Kiyv 1984 |
| Cuba | 8654 | Leonel Suarez | Havana 2009 |
| Australia | 8649 | Ashley Moloney | Tokyo 2021 |
| Jamaica | 8644 | Maurice Smith | Osaka 2007 |
| Netherlands | 8607 | Sven Roosen | Paris 2024 |
| Iceland | 8573 | Jon Arnar Magnusson | Götzis 1998 |
| Poland | 8566 | Sebastian Chmara | Alhama de Murcia 1998 |
| Hungary | 8554 | Attila Zsivoczky | Götzis 2000 |
| Spain | 8526 | Francisco Javier Benet | Alhama de Murcia 1998 |
| Algeria | 8521 | Larbi Bourrada | Rio de Janeiro 2016 |
| Belgium | 8519 | Hans van Alphen | Götzis 2012 |
| Switzerland | 8468 | Simon Ehammer | München 2022 |
| Uzbekistan | 8445 | Ramil Ganiyev | Athens 1997 |
| Lithuania | 8437 | Rišardas Malachovskis | Staiki 1988 |
| Sweden | 8406 | Nicklas Wiberg | Berlin 2009 |
| South Africa | 8398 | Willem Coertzen | Götzis 2015 |
| Brazil | 8393 | Carlos Eduardo Chinin | São Paulo 2013 |
| New Zealand | 8366 | Simon Poelman | Christchurch 1987 |
| Austria | 8320 | Gernot Kellermayr | Götzis 1993 |
| Latvia | 8312 | Edgars Erinš | Valmiera 2011 |
| Japan | 8308 | Keisuke Ushiro | Nagano 2014 |
| Argentina | 8291h | Tito Steiner | Provo 1983 |
| China | 8290 | Qi Haifeng | Götzis 2005 |
| Moldova | 8288 | Valeri Kachanov | Moscow, Russia 1980 |
| Serbia | 8275 | Mihail Dudaš | Moscow 2013 |
| Italy | 8235 | Dario Dester | Roma 2024 |
| Bahamas | 8226 | Ken Mullings | Paris 2024 |
| Portugal | 8213 | Mario Anibal Ramos | Kaunas 2001 |
| Bulgaria | 8199 | Atanas Andonov | Sofia 1981 |
| Greece | 8069 | Prodromos Korkizoglou | Ibach 2000 |
| Chile | 8065 | Gonzalo Barroilhet | Charlottesville, VA 2012 |
| Venezuela | 8048 | Georni Jaramillo | Barquisimeto 2018 |
| Nigeria | 8028 | Ituah Thomas Enahoro | Düsseldorf 2017 |
| Liberia | 8025 | Jangy Addy | Eugene 2008 |
| Tunisia | 8023 | Hamdi Dhouibi | Helsinki 2005 |
| Taiwan | 8010h | Yang Chuan-kwang | Walnut, CA 1963 |
| Ecuador | 8004 | Andy Federico Preciado | Guayaquil 2021 |
| Denmark | 7994 | Lars Warming | Götzis 1988 |
| Colombia | 7913 | José Gregorio Lemos | Barranquilla 2018 |
| Scotland | 7885h | Brad McStravick | Birmingham 1984 |
| Ireland | 7882 | Carlos O'Connell | Emmitsburg, MD 1988 |
| Wales | 7882 | Ben Gregory | Azusa, CA 2016 |
| Montenegro | 7862 | Darko Pešic | Bar 2023 |
| South Korea | 7860 | Kim Kun-Woo | Daegu 2011 |
| Tajikistan | 7846 | Igor Sobolevski | Leningrad 1982 |
| Romania | 7843h | Vasile Bogdan | Paris 1975 |
| Kuwait | 7838 | Majed Radhi Al-Sayed | Doha, Qatar 2019 |
| Croatia | 7838 | Trpimir Široki | Austin, TX 2022 |
| Turkey | 7818 | Alper Kasapoglou | Marietta 1996 |
| Ghana | 7811 | Atsu Nyamadi | Charlottesville 2017 |
| Thailand | 7809 | Sutthisak Singkhon | Jakarta 2018 |
| Cyprus | 7802 | Georgios Andreou | Volos 2000 |
| Slovakia | 7799 | Petr Soldos | Arles, FRA 2001 |
| Barbados | 7777 | Victor Houston | Athens 1997 |
| Dominican Republic | 7762 | José Miguel Paulino Asencio | San Salvador 2023 |
| Georgia | 7756h | Yuri Dyachkov | Tbilisi 1968 |
| Vietnam | 7755 | Van Huyen Vu | Guangzhou 2010 |
| Qatar | 7730 | Ahmad Hassan Moussa | Ratingen 2004 |
| Iran | 7729 | Hadi Sepehrzad | Teheran 2012 |
| Slovenia | 7718 | Damjan Sitar | Maribor 2008 |
| Madagascar | 7685 | Ali Kamé | Réduit 2011 |
| Saudi Arabia | 7677 | Muhammad Jassem Al-Qaree | Doha 2011 |
| India | 7666 | Tejaswin Shankar |
Hangzhou 2023 |
| Saint Lucia | 7632 | Dominic Johnson | Tucson, AZ 1998 |
| Mexico | 7614h | Alejandro Cárdenas | Medellin 1996 |
| Mauritius | 7591 | Guillaume Thierry | Brazzaville 2015 |
| Kyrgyzstan | 7566h | Gennadiy Balakshi | Frunze 1978 |
| El Salvador | 7517 | Santiago Mellado | Seoul 1988 |
| Zimbabwe | 7491 | Keegan Cooke | Santa Barbara, CA 2015 |
| North Korea | 7485 | Kim Sam Ryong | Maebashi 1997 |
| Luxembourg | 7484 | Marc Kemp | Brussels 1985 |
| Egypt | 7472 | Mustapha Taha Hussein | Cairo 2002 |
| Philippines | 7469 | Aries Toledo | Hanoi 2022 |
| Turkmenistan | 7452h | Dmitriy Goryunov | Bryansk 1990 |
| Guatemala | 7448 | Octavius Gillespie | Chula Vista, CA 2004 |
| Fiji |
7397 | Albert Miller | Cape Girardeau, MO 1983 |
| Kenya |
7359 | Edwin Kipmutai Too | Nairobi 2024 |
| Morocco | 7359 | Hakim Moulay Rachid Alaoui | Meknes 2004 |
| Azerbaijan | 7359h | Valeriy Deryabin | Baku 1977 |
| Sri Lanka | 7356 | Ajith Kumara Karunathilaka | Colombo 2018 |
| Israel | 7343 | Ariel Attias | Des Moines, IA 2022 |
| Iraq | 7271 | Abdel Sajjad Saadoun Nasser | Mashad 2021 |
| Albania | 7261h | Skender Rexhepi |
Beijing 1975 |
| Saint Kitts and Nevis | 7258 | Adolphus Jones | New Dehli 2010 |
| Trinidad and Tobago | 7212 | Patrick Russell | Winnipeg 2005 |
| Senegal | 7211 | Maba Ndiaye | Val-de-Reuil 2000 |
h - hand timed
| Former countries | |||
| Country | Points | Decathlete | Venue |
| East Germany (GDR) | 8792 | Uwe Freimuth | Potsdam 1984 |
| West Germany (FRG) | 8762 | Siegfried Wentz | Bernhausen 1983 |
| Soviet Union (URS) | 8706 | Oleksandr Apaichev | Neubrandenburg 1984 |
| Czechoslovakia (TCH) |
8627 | Robert Zmelik | Götzis 1992 |
| Yugoslavia (YUG) | 8057 | Saša Karan | Ljubljana 1990 |
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Total 10 best decathlons
Ten best decathlons in whole career