prevalence

Plural: prevalences

Noun

• the quality of prevailing generally; being widespread
  • "he was surprised by the prevalence of optimism about the future"
• (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population
• a superiority in numbers or amount
• The quality or condition of being prevalent; wide extension or spread.
• The total number of cases of a disease in a given statistical population at a given time, divided by the number of individuals in that population.

Synonyms

preponderance

Related Words

incidence, prevail, prevalent