Real Madrid were one of the most successful clubs in the decade that was 2010 to 2019. The Spanish capital club won their first Champions League title in 12 years to haul in their much-coveted 'La Decima', and followed up with three more in the next four years to become the first club in the Champions League era to successfully defend their title.
The decade was a successful one for Spanish clubs in Europe as well. Madrid's domestic arch-rivals Barcelona picked up Champions League titles in 2011 and 2015. Sevilla did 'a Madrid' in the Europa League, becoming the first club in the Europa League era to win three in a row, doing so from 2014-16.
Atletico Madrid also won the Europa League thrice during the decade - 2010, 2012 and 2018 - while also making two Champions League finals, losing to Real Madrid in 2014 and 2016.
In the domestic arena, Juventus and Bayern Munich won eight respective league titles during the decade, the former doing so in consecutive seasons from 2011-12 to 2018-19, while Barcelona won seven.
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On that note, let us look at the top five clubs with the most titles during the 2010s decade.
#5 Juventus (Italy): 16 titles
Italian giants Juventus extended their Serie A dominance to eight consecutive seasons, winning a record-extending Scudetto in 2018-19 for their 35th top-flight title.
The Bianconeri won four consecutive Coppa Italia titles from 2015 to 2018 to break a tie with AS Roma (eight) for most titles in the competition.
In the Super Coppa Italiana, Juventus lifted titles in 2012-13, 2013-14, 2015-16 and 2018-19 before losing the 2019-20 title to AC Milan in Riyadh in December 2019.
Also check out: Seria A table La liga table 2019-20 Champions League table
#4 Real Madrid (Spain) - 17 titles
Spanish giants Real Madrid had the bulk of their success during the 2010s in Europe, ending a 12-year wait for their 'La Decima' in 2014 before winning further titles in 2016, 2017 and 2018.
The 2017 triumph made Madrid the first team in the Champions League era (1992-93 onwards) to successfully defend their title in the competition. The win in 2018, meanwhile, made them the first club since Ajax (1974-76) to win three successive Champions League / European Cup titles.
Madrid also won 4 FIFA Club World Cup titles in each of their Champions League winning years and lifted the UEFA Super Cup in 2014, 2016 and 2017.
The Spanish capital club won two league titles during the decade - 2011-12 and 2016-17 - while also lifting the domestic cup (Copa del Rey) on two occasions during this period - 2010-11 and 2013-14 respectively. Madrid won the Super Coppa Espana in 2012-13 and 2017-18.
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#3 Bayern Munich (Germany) - 21 titles
Serial Bundesliga champions Bayern Munich won titles galore during the decade that was 2010 to 2019.
The Bavarian giants won eight league titles during this period, which includes a record seven in-a-row from the 2012-13 season onwards. Bayern also won five DFB Pokal titles - 2009-10, 2012-13, 2013-14, 2015-16 and 2018-19 - to go with a similar tally of German Super Cup titles (2010-11, 2012-13, 2016-17, 2017-18 and 2018-19) during the 2010s decade.
Bayern won their fifth Champions League title in 2012-13 following a victory in an all-German final with fellow Bundesliga side Borussia Dortmund in London, a year after losing to Chelsea in the 2011-12 Munich final.
The most successful club in German club also won the UEFA Super Cup (2013-14) and the FIFA Club World Cup (2013) in the year of their sole Champions League triumph in the 2010 to 2019 period.
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#2 Paris St. Germain (France) - 23 titles
French club Paris St. Germain were one of the most successful clubs during the 2010s decade, being the only club apart from Barcelona to win 23 titles in all competitions during this period.
The Parisian club won six Ligue 1 titles during the period 2012-13 to 2018-19, which includes four in a row from 2012-13 to 2015-16, to quadruple their pre-2010 tally of French top-flight titles.
PSG won five French Ligue Cup (Coupe de La Ligue) and five French Cup titles (Coupe de France) during the 2010s decade, winning the double of both domestic Cup titles in four successive seasons from 2014-15 to 2017-18. The two-time defending Ligue 1 champions also won the French Super Cup (Trophée des Champions) seven times during the decade.
PSG find themselves in second place in this list only because they won all their 23 titles during the 2010s in domestic competitions.
#1 Barcelona (Spain) - 23 titles
With 23 titles in all competitions during the 2010s decade, no club other than Barcelona (and PSG) won as much during this period.
Barcelona lifted the UEFA Champions League in 2010-11 and 2014-15, both times as part of a 'treble' of league, league Cup and European Cup. The Catalan club won seven Liga titles in this decade, which includes four in the last five seasons.
The record 30-time Copa del Rey winners won five domestic Cup titles during the 2010s, as well as five Super Coppa Espana titles.
In European club football competition other than the Champions League, Barcelona won two UEFA Super Cup and two FIFA Club World Cup titles - each coming in the year of their Champions League success.