GPs are "heaving under the strain of rocketing patient demand" as the NHS tries to care for an ageing and growing population, despite funding cuts.
Dr Maureen Baker, chairwoman of the Royal College of GPs, said:
Every patient should be able to see their family doctor when they need to, and GPs want to provide the best possible access and high-quality care for all their patients.
But this research is further evidence of the crisis in general practice, with family doctors heaving under the strain of rocketing patient demand, due to a growing and ageing population, and plummeting investment.
More than 90% of patient contacts in the NHS are dealt with in general practice - for only 8.39% of the budget.
More top news
A Church of England bishop has criticised the PM for his controversial description of migrants seeking to come to the UK as a "swarm".
A senior Labour peer has said rogue peers should be immediately suspended from the House of Lords when scandals break.
Emmerdale star Anthony Quinlan has revealed he split his trousers in front of the rest of the cast and crew during filming.