The LRD pay survey for 2011/12 - which reviews the pay round and contains a detailed report of pay settlements - makes depressing reading for public sector workers. Although the weighted increase on the lowest basic rates was 1% (a quarter of employers paid the £250 to staff earning under £21,000), the weighted median across the whole public sector workforce was 0%.
http://www.lrd.org.uk/payline/supplement/PaySurveyPrintable.pdf
