The phrase "are considerably less likely" is correct and usable in written English.
It can be used when comparing the likelihood of two or more events or outcomes, indicating that one is significantly less probable than the other.
Example: "Individuals who engage in regular exercise are considerably less likely to develop chronic health issues compared to those who lead a sedentary lifestyle."
Alternatives: "are significantly less probable" or "are much less likely".
"Once you have that, you are considerably less likely to switch away from the consumer experience.
Black individuals eligible for an implantable cardioverter/defibrillator (ICD) are considerably less likely than white individuals to receive one.
Even in private companies, which are considerably less likely to adopt these practices today, directors shared similar opinions as compared to their counterparts in public companies.
But whites are considerably less likely to be victims of crime, especially violent crime: African-Americans are six times more likely than whites to die of homicide.
Poorer youngsters' life chances are further compromised as they are considerably less likely to study the sort of A-levels that will help them get into leading universities.
In fact, research by the Cato Institute has found that poor noncitizens are considerably less likely than poor native-born Americans to use public assistance programs.
Crucially, she reports, while male and female reviewers on average award similar ratings to films featuring female protagonists, a male critic is considerably less likely to review it in the first place.
Fourth, judging from legislative roll-call data since 1985, Republicans in Congress have been considerably less likely than Democrats to follow their constituents' policy preferences — a tendency that has grown over time.
Compared to other generations, millennials were significantly less likely to know which country the United States had just normalized relations with (Cuba), they were considerably less likely to identify a photograph of Massachusetts Sen. Elizabeth Warren, and they had a hard time recognizing the route of the proposed Keystone XL pipeline on a map.
The EU's offer means a no-deal Brexit is considerably less likely on 29 March.
The Payaguás, who lived in the Gran Chaco, were considerably less likely to threaten the Jesuits, with their missions farther to the east of the civil province of Paraguya.
