The Bureau of Labor Statistic. Non-partisan enough, the methodology hasn't changed from the last administration. And take it from a non-US-based inflation exper

The Bureau of Labor Statistic. Non-partisan enough, the methodology hasn't changed from the last administration. And take it from a non-US-based inflation expert: it is accurate enough, some gripes about "quality adjustment" of electronics and about using owners' equivalent rent instead of house prices notwithstanding.