Two thirds of employed people say that the amount of work they are expected to do has grown over the past few years, and more than a third are expected to do unpaid overtime, YouGov polling for the TUC found.
One in five says they have seen at least one person sacked or made redundant without good reason
The findings come against a backdrop of increasing workplace illness and injury rates. Figures released last month by the Health and Safety Executive show almost half a million people suffered workplace-related stress, depression or anxiety in the last financial year. Around half were new cases.