The inflation rate for the poorest 10th of households is 1.5 percentage points higher than for the richest 10th. This is the largest gap recorded since 2006.

New analysis from the Resolution Foundation shows that inflation for the poorest 10th of households has hit double digits, standing at 10.2%. It is now significantly higher than the 8.7% rate experienced by the richest 10th of households – itself a high level in historical terms.

Health minister Maria Caulfield said on Saturday that the chancellor was not “ruling anything out” amid calls for a boost to the benefits system. She hinted that further action was planned.