The phrase "affecting the vast majority" is correct and usable in written English.
It can be used when discussing the impact of a situation, event, or phenomenon on a large portion of a population or group.
Example: "The new policy is affecting the vast majority of employees, leading to significant changes in workplace dynamics."
Alternatives: "impacting most people" or "influencing the majority."
Elderly patients are confronted with widespread and systematic inadequate care during their stay, which is a significant problem affecting the vast majority of hospitals in England, it says.
It's the most far-reaching tax hike in the deal, affecting the vast majority of the middle class and working poor, and it will lower GDP growth by 0.6percentt as a result, according to JPMorgan's chief economist Michael Feroli.
Our journalists — led by a team of female reporters, with support from New Narratives, a nonprofit group that trains African journalists — are paid well and they write honestly about issues affecting the vast majority of Liberians, whose voices are rarely heard.
Indeed, parts of the reform law are already legally binding for German universities and publicly funded research institutions such as the Helmholtz, Max Planck, Fraunhofer, and GottfriedWilhelmLeibniz institutes, thus affecting the vast majority of German academic researchers.
Rather, this appears to be a significant general problem affecting the vast majority of NHS acute hospital trusts". The researchers found 23% of patients reported experiencing poor or inconsistent standards of dignity and respect, the equivalent to 2.8 million people a year, of whom a million would be aged 65 and over.
In P. falciparum, transcriptional responses to external perturbations range from low amplitude nonspecific changes in mRNA profiles to broad extensive transcriptional changes affecting the vast majority of the P. falciparum genes that are typically consistent with developmental arrests and/or induction of the sexual stages.
