2023 Formula One World Championship

The 2023 FIA Formula One World Championship is a planned motor racing championship for Formula One cars. This will be the 74th running of the Formula One World Championship.
Drivers and teams are scheduled to compete for the titles of World Drivers' Champion and World Constructors' Champion, respectively. As the reigning Drivers' Champion Max Verstappen is set to defend his title, driving for Red Bull Racing. His team, Red Bull Racing, are the reigning Constructors' Champions.
Entries.
The following constructors and drivers are currently under contract to compete in the 2023 World Championship.
Ahead of 2022 Hungarian Grand Prix, Sebastian Vettel announced his retirement at the end of the 2022 season. Aston Martin announced Fernando Alonso as his replacement.
On 2nd of August 2022, Alpine announced that Oscar Piastri would drive for them in 2023, taking the seat left vacant by Alonso's move to Aston Martin. However later that day, Piastri himself wrote a post disclaiming any arrangments between him and Alpine saying he will not race for Alpine in 2023. 
Daniel Ricciardo left McLaren after two seasons. He had a contract to drive for the team in 2023, but it was terminated during the 2022 championship by mutual agreement. Ricciardo's seat was filled by Piastri, who made his Formula One debut.
Nicholas Latifi left Williams after spending three seasons with the team.
Mick Schumacher is left Haas after two seasons. His seat was filled by Nico Hulkenberg, who last raced in 2022 Saudi Arabian Grand Prix.
Calendar.
The 2023 calendar is due to feature twenty-three Grands Prix.
List of planned races.
The following 19 Grands Prix are contracted to form a part of the 2023 World Championship:
The following 3 Grands Prix are under contract to run in 2022, but do not have a contract for 2023: