[22] His mother Britta was an East German national badminton champion[22] and his father Roland was also a footballer and at that time, he managed Hansa Rostock's youth team.

He made an astounding start to his Bundesliga career, making his debut for Bayern on 26 September 2007 in a 5–0 win against Energie Cottbus and twice assisting Miroslav Klose goals within 18 minutes of his appearance as a substitute.

[24] At the time of his debut, Kroos was the youngest player ever to represent Bayern in a professional match at 17 years, 265 days old, a record since broken by David Alaba in 2010.

[25] On 25 October, Kroos earned Bayern a valuable victory away to Red Star Belgrade on his UEFA Cup debut, coming on as a substitute in the 81st minute and providing an assist for Miroslav Klose and then scoring the winning goal, his first for the club, in stoppage time.

[citation needed] Despite being selected to start in Bayern's opening 2008–09 Bundesliga match against Hamburger SV, Kroos appeared less frequently for die Roten during the first half of the 2008–09 season.

[citation needed] On 30 May, Kroos appeared as a late substitute in the 2009 DFB-Pokal Final against Werder Bremen, where Leverkusen were beaten 1–0 by a Mesut Özil goal.

Between matchdays 16 and 20, Kroos registered five goals and four assists in five Bundesliga matches, earning him back-to-back "player of the month" awards from kicker for December 2009 and January 2010.

[citation needed] During 2011–12, under Jupp Heynckes, his former coach at Leverkusen, Kroos established himself as a first choice player from Bayern, forming a strong midfield partnership with national team colleague Bastian Schweinsteiger.

He played 51 matches in all competitions during the season, including the 2012 UEFA Champions League Final, where Bayern were beaten on penalties by Chelsea at the Allianz Arena.

He started two matches for Bayern in the 2013 FIFA Club World Cup,[35] the first against Guangzhou Evergrande in the 3–0 semi-final win on 17 December 2013,[36] and in the final as the team beat Raja Casablanca 2–0.

[41] On 17 July 2014, Spanish La Liga club Real Madrid announced that they had reached an agreement for the transfer of Kroos, signing a six-year deal for an undisclosed fee.

[49] Kroos became the ninth German player, after Günter Netzer, Paul Breitner, Uli Stielike, Bernd Schuster, Bodo Illgner, Christoph Metzelder, Mesut Özil, and Sami Khedira, to join Real Madrid.

[53][54] He was part of a midfield trio with James Rodríguez and Luka Modrić that led Real Madrid to 22-game winning run late in the year.

[58] Los Blancos' triumph at San Siro meant that Kroos became the first-ever German to lift the Champions League trophy with two clubs.

[67] On 22 December 2018, Kroos won his record fifth FIFA Club World Cup after his team defeated Al Ain FC with a 4–1 margin in the final.

[citation needed] On 16 June, when La Liga restarted after a three-month hiatus due to the COVID-19 pandemic, Kroos scored Real Madrid's first official goal at the Alfredo Di Stéfano Stadium in just four minutes in an eventual 3–1 win over Eibar.

[75] One month later, Real Madrid went on a ten-game winning run and won the 2019–20 La Liga title with Kroos featuring in all 11 matches post-lockdown.

[85] On 11 February 2023, Kroos broke his own record by gaining his sixth FIFA Club World Cup title, one with Bayern Munich and five with Real Madrid.

[91][92] In his last La Liga fixture at the Santiago Bernabéu on 25 May, he played in a goalless draw against Real Betis, where he received a guard of honour and a standing ovation from the entire stadium when he was substituted in the 86th minute.

[95] Moreover, this match saw Kroos equal Paco Gento's record of six European Cup titles alongside Dani Carvajal, Luka Modrić and Nacho.

[97] In the 2007 FIFA U-17 World Cup, Toni Kroos was awarded the Golden Ball as the tournament's best player and also won the Bronze Shoe after scoring five goals.

[100] In January 2010, Kroos was called up to the senior Germany team for the first time, for a training session in Sindelfingen[101] and was named in the squad for the following match, a friendly against Argentina on 3 March 2010, in which he subsequently made his debut for the national side.

[citation needed] Kroos established himself as a regular starter in Germany's qualification campaign for UEFA Euro 2012, playing in eight out of a possible ten games.

[104][105] During Germany's 2014 World Cup qualifying campaign, Kroos scored his first two competitive international goals in a 6–1 win over the Republic of Ireland in Dublin.

[119] Three days after the team lost 2–0 against England in the Round of 16 on 29 June, Kroos announced his retirement from international football, after being heavily criticised for his poor performance.

[120][121][122] Honorary Bayern Munich president Uli Hoeneß stated that Kroos' style of play which emphasizes horizontal passing doesn't fit the modern game.

[123][124] On 22 February 2024, Kroos announced that he would return to the German national team for the tournament on home soil, having been approached to do so by new manager Julian Nagelsmann.

[42] In March 2021, Kroos said it was "wrong" for the 2022 FIFA World Cup to be held in Qatar, pointing out the Gulf state's poor treatment of migrant workers and its criminalisation of homosexuality.

[153] He said that he would never move to the country due to its human rights record, which prompted him to be booed while playing in the 2024 Supercopa de España, which was hosted in Saudi Arabia.

[155] In July 2024, Kroos said on the ZDF Lanz & Precht podcast that Germany was not the same country that he had left ten years earlier, and he said that his daughter would be safer in Spain.