Retail Prices Index
From ACT Wiki
Inflation measures - UK.
(RPI).
Historically, RPI was the primary measure of consumer price inflation in the UK, calculated as the change from month to month in the prices of a standard basket of retail goods and services.
RPI was superseded as the primary inflation measure in the UK by the Consumer Prices Index (CPI) and the (CPIH).
However, it continues to be calculated and published by the UK's Office for National Statistics.
