① ある事象が起こることが期待される割合。② 比率。
① 予め与えられた数が基準となる数の何倍（必要に応じて四捨五入した上で計算）に相当するかに着目した比率。
arrest rate; clear-up rate; crime-arrest ratio
① 一定の期間における総人口における死亡した者の割合。
ratings (e.g. of a television program); audience rating; viewing rate
competition rate; success rate; ratio of successful (applicants) to total applicants
hitting ratio; hit rate; success rate; accuracy rate
operating ratio; rate of operation; availability factor
rate of increase (e.g. prices); rate of climb (e.g. aircraft)
frequency; rate of occurrence
① ある病気の、一定の期間におけるに患者の人数の、死亡した者の割合。
turnover rate (merchandise, capital)
ratio of successful applicants; (examination) pass rate
rate of advancement to the next higher level of education
(the degree of) self-sufficiency (e.g. in oil)
voter turnout; (polling) turnout
diffusion rate; rate of spread
precision; precision ratio; relevance factor; relevance ratio
percentage of correct answers
growth rate; coefficient of extension
utilization rate; usage rate; occupancy rate
recall; recall factor; recall ratio
utilization rate; capacity factor; utilization factor; coefficient of use
compressibility; compression ratio
volatility; degree of variability; rate of fluctuation; regulation
job separation rate; job turnover
percentage of votes counted so far
earning rate; rate of return; price-earnings ratio; profitability; profit margin
transmittance; permeability
listener ratings (radio, etc.); listenership
disease rate; infection rate; morbidity rate
annual rate (of interest)
golden ratio (approx. 1.6180339887)
rate of output; production rate
occupancy (rate); share (e.g. of market)
attenuation (factor, rate)
risk ratio; percentage of risk; hazard rate; significance level; level of significance
consumption tax rate; sales tax rate; VAT rate
blending ratio; combination ratio
floor space index; FSI; floor area ratio; FAR; ratio of building size to lot; plot ratio
possession rate; possession; domination rate; penetration factor
rate of magnification; magnification power
shooting rate (in ball games, e.g. volleyball, basketball, soccer, etc.); shooting percentage; success rate (esp. business, e.g. sales)
employment rate; percentage of employment
percentage of school attendance
motility (usu. sperm); moment
basal metabolic rate; BMR
rate of destruction; destruction ratio
permillage; rate per thousand
disease rate; infection rate; morbidity rate
response rate; percentage of replies
price escalation rate; price increase rate; inflation
dielectric constant; permittivity; conductivity
ratio of the margin of loss of an electoral candidate in a single-constituent district (used to break ties when determining the representative of a proportionally represented district)
labour rate; pay rate; wage rate; income rate
viscosity (coefficient); dynamic viscosity (coefficient)
proportion of forested land; proportion of land which is forested
(passenger) load factor; seat occupancy
positive predictive value
① ある病気の、一定の期間におけるに患者の人数の、死亡した者の割合。
population coverage rate; service coverage ratio
degree of milling (of rice)
expansion rate; growth rate
(program, programme) ratings
stock exchange percentage
ratio of wholesale price to retail price
reserve ratio; reserve rate
reserve requirement ratio; legal reserve ratio; required reserve ratio
tax-free ratio; tax free percentage
labor force participation rate; labour force participation rate
labor's share (of income)
deposition rate; deposition fraction
sustained virological response; SVR
revisit rate (e.g. for a website); visitor retention rate
revisit rate (e.g. for a website); visitor retention rate
natural rate of increase; rate of natural increase
moisture content; water content
air dose rate (esp. radioactivity)
magnetic reluctivity; reluctivity
pension replacement rate; income substitution rate (of the public pension)
excess mortality rate; mortality displacement