Under the deal agreed by civil servants and their union, next year's pay settlement will be RPIX minus 1%.
Public sector workers agreed a three year deal which this year equated to a 7% pay rise.
But that dips to 5.8% from January 2024, which is RPIX in June 2023 minus 1%.
RPIX is the inflation rate minus mortgage payments.
Yesterday's inflation bulletin showed the other main inflation indicator, RPI, was running at 7.2%.
That's down 1% on the March figure and shows that prices within the 'basket' that determine inflation are still rising, but not as much as they were.

Annual Guernsey Scarecrow Festival set to raise thousands for charity
Channel Islands face 'physical' Poland test
Baby born on Guernsey's Marine Ambulance
New interim leader for Guernsey's healthcare system
Guernsey's reservoir levels falling after prolonged dry spell
Guernsey's Commonwealth flag carrier in early Games win
Abundant year for jellyfish in Guernsey waters
Battery fire ignites in Guernsey waste processing centre