Given its age, RPI can give us a sense of how prices have changed since the 1950s, but CPI replaced RPI as the UK’s official measure in 2003. The Bank of England’s 2% target relates to CPI.

With inflation in the headlines, you’ve probably seen the acronyms CPI and RPI all over the place. But what’s the difference between the two and why does it matter?

RPI generally runs at about 1% higher than CPI and is currently 2.8%, compared to a CPI of 1.9%. With annual rail fare increases calculated using RPI it is unsurprising passenger groups have ...

The 3.4% is the Consumer Prices Index (CPI) rather than the RPI. The main difference is that the CPI does not include any housing costs, such as the effect of mortgage rates or council tax.

While the CPI ticked up a bit in December, the PPI fell unexpectedly — down 0.1%. Here’s the difference between those dueling indexes. It’s actually not so weird that the CPI goes up while ...

The difference between choosing CPI and RPI can have a significant impact on your wallet. Under government policy, regulated rail fares are increased each January in line with RPI from the previous ...

Most investors are aware that inflation, and the Fed’s response to it, are the big issues right now, but how is it measured? What is the difference between PPI and CPI, for example, and what is PCE?

Inflation: RPI, CPI and RPIJ explained. ... but they cover different items and differences in formulae used to calculate the inflation rate mean that CPI is often lower than RPI. ...

The difference between CPI and RPI How is CPI used? The consumer prices index (CPI) rate increased to 3% in the year to January 2025, up from 2.5% in December, according to the Office for National ...

He estimated that in February, 90 points of the 100-basis-point difference between the annual PCE and CPI readings was attributable to the higher weight housing has in the CPI.

Sahm pointed out another difference: The CPI measures what consumers spend. The PCE also looks at what businesses charge for consumer products and services. Think about health care, Sahm said.