The phrase "a majority believes" is correct and usable in written English.
It can be used when discussing the opinions or beliefs held by a large portion of a group or population.
Example: "In recent surveys, a majority believes that climate change is a pressing issue that needs immediate action."
Alternatives: "most people think" or "the majority opinion is".
A majority believes Britain's political system to be fundamentally flawed.
But when a majority believes it, then the system has a problem.
SCOTUSblog (@SCOTUSblog) #doma jurisdiction argument continues with no clear indication of whether a majority believes #scotus has the power to decide the case.
And a majority believes that the White House, emboldened by the victory in Iraq, is now more likely to consider attacking North Korea, Syria or Iran.
A majority believes that spending cuts and tax rises are necessary responses to a horrific budget deficit and many hold Labour rather than the coalition responsible for the Britain's ills.
The magazine also reported that a majority believes that gay spouses deserve some legal benefits of marriage (such as health insurance) and that, for the first time, fewer than half of Americans label homosexuality a sin.
The country is about evenly divided on this issue at the moment, while only fifteen years ago, a majority believed controlling gun ownership was more important.
In striking contrast to opinion in the United States, where polls show a majority believe there was a connection between Saddam Hussein and Al Qaeda terrorists, the rest of the world remains skeptical.
Other polls have shown that a majority believe that both candidates are dishonest and incapable of directing the economy out of recession.
A majority believe public provision has at best remained the same, or got worse; only on security and crime do most think there has been an improvement.
And until the threatened vested interests began to attack climate change science with a vengeance and big bucks, even large numbers of Republican rank and file, if not a majority, believed in anthropogenic climate change.
