Campaigners have today said reluctant royals should stand aside and make way for an effective head of state.
The comments come after an interview in which Prince Harry claimed no royal wants to be king.
Since the weekend 5000 people have joined calls for a new oath for MPs.
MPs have started to take their oaths today, pledging allegiance to the Queen.
The Queen is unable to perform an effective, independent role as head of state during the current political crisis, campaigners have warned.
Campaigners have renewed calls for a full inquiry into lobbying and political interference by members of the royal family.
The call follows fresh revelations about Prince Charles and Prince William over the past 24 hours.
Royal archives should be opened up to reveal millions of official secrets, according to a new campaign to be launched this weekend.
Campaign group Republic has renewed its call for the honours system to be radically reformed. The call follows revelations in the press that a company is charging people thousands of pounds to work the system in favour of their clients.
The planned Trump state visit has highlighted the irrelevance and impotence of Britain's own head of state, campaigners have said today.
The British constitution is in danger of facing a collapse in confidence, campaigners have said.
Pro-democracy campaign group Republic has said post-Brexit Britain urgently needs a new constitution, one which makes clear the role of parliament and referendums.
Anti-monarchy campaigners have called for the Queen’s official funding grant to be scrapped and Buckingham palace handed back to the people.