Ronaldo started his professional career at Portuguese club Sporting Lisbon before he moved to Manchester United in 2003.
Cristiano blossomed into one of the world’s greatest players at Old Trafford after he won three Premier League titles, the FA Cup, the Champions League and the two League Cups.
The Portuguese forward moved to Real Madrid in an £80m deal in 2009 summer transfer window, which was a world record fee at the time.
Ronaldo has firmly established himself as a Real Madrid legend after becoming the club’s record signing and winning two La Liga crowns, two Copa del Rey trophies and three Champions League titles.
Naturally, Cristiano is Portugal’s key player after he made his debut in a 1–0 victory over Kazakhstan on 20 August 2003.
Ronaldo won Euro 2016 despite coming off injured in the final to make amends for losing 1-0 to Greece at Euro 2004 on home soil.
• Date of birth: 5 February 1985
• Age: 34 years old
• Place of birth: Funchal, Madeira, Portugal
• Nationality: Portuguese
• Height: 187cm / 6ft 2ins
• Weight: 83kg / 184 lbs
• Transfer value: £250 million
• Wages: £365,000 a week
• Net worth: £71m
Ronaldo went on a three-day trial at Sporting Lisbon in 1997 before the Portuguese club signed the winger in a £1,500 deal.
He became the first player to play for the club’s under-16, under-17 and under-18 teams, the B team, and the first team, all within one season in 2001.
Ronaldo made his Sporting Lisbon debut and scored two goals in a 3-0 win over Moreirense on 7 October 2002.
His representatives offered Ronaldo to Arsenal, Liverpool FC and FC Barcelona during the 2002-03 season.
However, he caught the eye of Manchester United following an impressive performance in a friendly in August 2003. He scored two goals against the Red Devils to prompt Sir Alex Ferguson’s players to urge their manager to sign Ronaldo.
Manchester United signed Ronaldo in a £12.24m deal from Sporting Lisbon in August 2003.
Cristiano was handed Manchester United’s prestigious number seven shirt to follow in the footsteps of David Beckham.
He made his debut as a second-half substitute for Nicky Butt in a 4-0 win over Bolton Wanderers in their opening Premier League game at Old Trafford.
His first goal for the Red Devils came in a 3-0 win over Portsmouth after he netted a free-kick. Ronaldo won the FA Cup thanks to a 1-0 win over Millwall in the final.
Cristiano finished with 10 goals and four assists in all competitions in 2003-04.
Ronaldo was often criticsed for a lack of an end product and showboating at the start of his Manchester United career.
He built on a solid debut season in 2004-05 with five goals in the Premier League. Cristiano reached his second FA Cup final but Manchester United lost to Arsenal on penalties.
Ronaldo started to realise his potential in the 2005-06 season when the forward scored nine times in the Premier League. Manchester United fell short of Chelsea FC in the title race.
Having missed out to Arsenal and Chelsea FC in his opening three seasons in the Premier League, Ronaldo finally fired Manchester United to title glory in 2006-07.
Cristiano scored 26 times in all competitions, including 17 league goals, to help the Red Devils win the Premier League crown.
Ronaldo scored in six successive games in November and December before he found the net in five consecutive league outings in January to help Manchester United dominate.
Manchester United lost 1-0 to Chelsea FC in the FA Cup final at Wembley.
He netted two goals in a 7-1 victory over AS Roma in the Champions League quarter-finals but Ronaldo struggled to have an impact against AC Milan in the last four.
The Portugal international struck up a devastating partnership with Wayne Rooney and Carlos Tevez in the Manchester United team.
The trio were vital in the 2007-08 season which ended with Premier League and Champions League glory.
Ronaldo scored his first and only hat-trick for Manchester United in a 6-0 win over Newcastle in January 2008.
Ferguson handed Cristiano the captain’s armband for the first time in a 2-0 win over Bolton in February.
He finished the season with 31 goals and seven assists in the Premier League to help the Red Devils win the title.
After finding the net against Lyon and AS Roma in the knockout stage, Cristiano scored the opener against Chelsea FC in the Champions League final. While he missed his penalty in the shootout, Manchester United were still crowned champions.
He finished the season with 42 goals in all competitions to fuel talk of a move to La Liga giants Real Madrid.
However, Ferguson managed to persuade Ronaldo to remain at Manchester United for one more season.
He scored his 100th goal for Manchester United in a 5-0 win over Stoke City in November 2008. Ronaldo finished a prolific year by helping the Red Devils to win the Fifa World Club Cup.
Cristiano won the Ballon d’Or for the first time in January 2009.
Ronaldo scored in Manchester United’s victories over Inter Milan, Porto and Arsenal in the knockout stage to help the Red Devils reach their second successive final.
Manchester United lost 2-1 to FC Barcelona in the Champions League showpiece but managed to see of Liverpool FC’s title charge to win his third top-flight crown plus the League Cup.
Real Madrid signed Ronaldo in a world record £80m deal from Manchester United in the 2009 summer transfer window. A staggering 80,000 fans attended his presentation at The Bernabeu.
Ronaldo was handed the number nine shirt given Raul was occupying the No7.
Cristiano scored from the penalty spot in his Real Madrid debut to secure a 3-2 win over Deportivo La Coruna.
He scored 33 times in all competitions in his debut season in the Spanish capital but didn’t win a trophy.
Real Madrid appointed Jose Mourinho as their manager in 2010 as los Blancos looked to end FC Barcelona’s dominance.
Ronaldo, now wearing the no7 shirt after Raul’s exit, scored four times in a 6-1 win over Racing Santander in October 2010.
Cristiano netted 11 times in six successive games before he remarkably scored hat-tricks against Athletic Bilbao, Levante, Villarreal, and Málaga to win the Ballon d’Or for a second time.
However, Cristiano was left disappointed in La Liga and the Champions League due to FC Barcelona’s brilliance. Real Madrid won the Copa del Rey thanks to Ronaldo’s winner in a 1-0 victory over their bitter rivals.
Ronaldo finished the 2010-11 campaign with 53 goals in 50 games.
The Portugal international went one step better in the following season after he scored 60 times in all competitions, including his 100th for Real Madrid.
Los Blancos lost 4-3 to FC Barcelona in the Copa del Rey quarter-final and Ronaldo had a penalty saved in the shootout to lose to Bayern Munich in the Champions League last four.
However, Cristiano ended his long wait to get his hands on the La Liga title after he scored 46 goals and made 12 assists in 37 games.
Ronaldo scored in both legs of the Spanish Super Cup to beat FC Barcelona at the start of the 2012-13 season.
Cristiano netted his first Champions League hat-trick in a 4-1 win against Dutch club Ajax on 3 October 2012 just three days after he netted three times in a 6-1 victory over Deportivo La Coruna.
The Portuguese forward took 197 games to score 200 goals for Real Madrid in a 6-2 victory over Malaga.
Ronaldo scored in a 2-1 loss to Atletico Madrid in the Copa del Rey final before he was sent off. Real Madrid relinquished their La Liga title to FC Barcelona.
Cristiano scored the winner in a 2-1 victory over Manchester United in his first game back at Old Trafford to eliminate his former club. However, los Blancos lost to Borussia Dortmund in the Champions League semi-finals.
Ronaldo ended the season without silverware despite scoring 55 times.
Gareth Bale’s arrival provided Ronaldo with competition to be the team’s fulcrum in the 2013-14 campaign. He still signed a new three-year deal with Real Madrid at the start of the season.
Cristiano made his mark on the field with 32 goals in 22 games for club and country by the start of November. His goal-scoring form earned him a third Ballon d’Or award.
Ronaldo missed the Copa del Rey final due to injury but Real Madrid still emerged 2-1 winners against FC Barcelona.
He was instrumental in helping Real Madrid to finally achieve La Decima – their 10th European Cup. Ronaldo scored seven times against Schalke 04, Borussia Dortund and Bayern Munich en route to the final.
He netted their third goal in extra time in a 4-1 win over Atletico Madrid to net for the 54th time in 52 games in the 2013-14 season.
Although Ronaldo turned 30 during the 2014-15 campaign, he finished with career best figures of 60 goals and 21 assists in 50 games in all competitions.
Real Madrid lost out to Juventus in the Champions League semi-finals, while FC Barcelona beat their bitter rivals to the title.
Ronaldo became Real Madrid’s all-time record goal-scorer when he netted five times in a 6-0 rout of Espanyol. Cristiano surpassed Raul with his 324th goal. He netted an incredible 203 times in just 203 La Liga games.
He reached 500 goals in all competitions when he scored twice in a victory over Malmo in the Champions League.
He struggled with some fitness issues in the second half of the season but scored the winning penalty to secure another victory over Atletico Madrid in the Champions League final.
Cristiano made a slow start to the 2016-17 season following a knee injury at Euro 2016.
He signed a new lucrative contract to keep him at Real Madrid until 2021 in November 2016.
Ronaldo enjoyed a great end to the year with a second Fifa World Club Cup and a fourth Ballon d’Or award.
Cristiano scored twice in a 2-1 away leg win at Bayern Munich in the first leg before a hat-trick in the Spanish capital to secure their place in the last four.
His incredible Champions League form continued when he netted another treble against Atletico Madrid in the semi-finals.
Ronaldo scored two goals in their 4-1 win against Juventus in the final to secure the club’s 12th European Cup and his fourth Champions League title.
Cristiano struggled to find form at the start of the 2017-18 season but did score twice against Dortmund to take his overall Real Madrid goal tally to 411 goals in 400 games.
He became the first player to score in all six Champions League group stage games in the 2017-18 season.
Ronaldo netted his 300th La Liga goal in a 3-1 win over Getafe to become the second player to reach the milestone behind Lionel Messi.
The Portuguese star netted an incredible overhead kick in Real Madrid’s 3-0 demolition of Juventus in their Champions League quarter-final.
He didn’t score against in Europe as Real Madrid beat Bayern Munich in the last four before a 3-1 victory over Liverpool FC in the Kiev showpiece.
Ronaldo made his Portugal debut in a 1–0 victory over Kazakhstan on 20 August 2003.
Cristiano scored in Portugal’s 2-1 loss to Greece in their opening game of Euro 2004. He dispatched a penalty in their quarter-final shootout victory over England before finding the net against the Netherlands in the semi-finals.
However, Ronaldo’s first major tournament ended in disappointment after Portugal lost 1-0 to Greece in the Euro 2004 final on home soil.
He helped Portugal to reach the 2006 World Cup semi-finals after scoring against Iran. However, France were 1-0 winners against Ronaldo and company in the last four.
Ronaldo captained Portugal at Euro 2008 but the forward struggled to find his goal-scoring form as his team lost 3-2 to Germany in the quarter-finals.
He struggled to find the net at the 2010 World Cup despite being named man of the match in their opening three group-stage games. Portugal lost 1-0 to eventual champions Spain in the round of 16.
Spain beat Portugal once again in the Euro 2012 semi-finals and Ronaldo was criticised after he faliled to take a spot-kick in the shootout.
Cristiano earned his 100th cap in a 1-1 draw with Northern Ireland in October 2012. He scored all four goals in a 4-1 win over Sweden to secure Portugal’s place at the 2014 World Cup. He became his country’s all-time record goal-scorer when he surpassed Pauleta’s 47 goals in a 5-1 win against Cameroon.
Portugal were eliminated at the group stage with Ronaldo struggling with a knee issue.
Ronaldo made a slow start to Euro 2016 but he scored and made an assist in a 2-0 victory over Bale and the Welsh team in the last four.
Cristiano was substituted in the 25th minute of Portugal’s 1-0 extra-time win over France at the Stade de France. He lifted the European championship as his country celebrated their first triumph at a major tournament.
Ronaldo scored a sensational hat-trick in Portugal’s 3-3 draw with Spain in their opening World Cup game, including a brilliant equalising free-kick.
Ronaldo lost his father José Dinis Aveiro to a liver condition at age 52 in September 2005 when Ronaldo was 20 at Manchester United.
The Portuguese legend has credited Sir Alex Ferguson as being a father figure in his career.
Ronaldo was in the media spotlight during his long-term relationship with Russian model Irina Shayk. The pair broke up in 2015.
He became a father for the first time in 2010, naming his son Cristiano Junior.
In July 2017, Ronaldo confirmed on Facebook that he had become the father of twins.
His current girlfriend Georgina Rodriguez gave birth to their daughter at the end of 2017.
• Ronaldo has scored in all competitions in which he has participated in Portugal, England and Spain except in the Community Shield and the Europa League.
• Cristiano has scored 99 doubles throughout his career. 73 with Real Madrid, 25 with Manchester United and one with Sporting Portugal.
• He has scored 18 times in 13 finals at club level.
• Ronaldo has scored 77 of the 90 penalties attempted, which is a La Liga record.
• With a heigh advantage over his rival Messi, Cristiano has scored 107 goals during his professional career with his head.
(Facts and figures correct as of April 2018)
MORE: Lionel Messi
MORE: The latest football news
MORE: The latest tennis news
BIOGRAPHY: Ethan Hazard
BIOGRAPHY: Daniel Sturridge