The UK has faced economic difficulties, including inflation and slow growth, which have led to public dissatisfaction.
Sunak's leadership style and key policy decisions, particularly regarding Brexit and immigration, have been controversial and divisive.
Criticism over handling public services like healthcare and education, along with social issues, has alienated many voters.
The defeat has shifted the balance of power in the UK Parliament, with opposition parties gaining significant ground.
Leadership changes and a reevaluation of policies and strategies are expected as the party seeks to rebuild and regain public trust.