Argentina's victory over France in the World Cup final was watched by a peak of 14.9m people on BBC One.
ITV, who also broadcast the Qatar final, saw a peak of 4.4m with a TV audience share of 17.8%.
BBC TV coverage had a total reach of 38.8m throughout the duration of the World Cup.
In addition, the tournament was streamed a record-breaking 104.7m times on BBC iPlayer and Sport Online.
Barbara Slater, director of BBC Sport, said: "One of the greatest World Cup Finals of all time, Argentina and Messi's victory last night closed off a thrilling four weeks of football.
"A first ever winter World Cup was a new experience for fans and the BBC has once again demonstrated the value of sport when made freely available to all, breaking new streaming records and providing the highest quality coverage, analysis and entertainment across TV, BBC iPlayer, BBC Sport Online and BBC Sounds."
The BBC Sport website welcomed 52.8m unique browsers during the World Cup, while World Cup programming was played 10.4m times on BBC Radio 5 Live, BBC Sounds and BBC Sport Online.
England's 3-0 win over Wales in group B was the most watched game on BBC TV with a peak of 17.6m, while the Three Lions' opening 6-2 victory over Iran was the most requested live game across BBC Sport Online and BBC iPlayer with 7.9m requests.
The five-minute peak of 21.31m during England's quarter-final defeat by France - broadcast by ITV - was the most-watched single channel TV moment of 2022 so far.
Get the latest results and goal notifications for any team at the Fifa World Cup by downloading the BBC Sport app: Appleexternal-link - Androidexternal-link - Amazonexternal-link
Get your daily dose of Fifa World Cup reaction, debate & analysis with World Cup Daily on BBC Sounds
