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
MPs have voted that they have no confidence in Jeremy Corbyn as leader, but he refuses to resign.
Lauri Love, who has Asperger's Syndrome, is accused of stealing huge amounts of data from US agencies including the Federal Reserve and FBI.
ITV News understands Tom Watson and Angela Eagle are expected to challenge Jeremy Corbyn for Labour leadership. We take a look at the pair.