The University of Michigan's final December consumer sentiment index reading was 95.9, compared to the preliminary December 96.8 and the final November 98.5, according to market sources.
The expectations index was 84.3, compared to the preliminary December 84.6 and the final November 88.9.
The current conditions index was 113.8, compared to the preliminary December 115.9 and the final November 113.5.
Economists polled by IFR Markets had predicted a 97.2 reading for the main index.
The five-year inflation expectation index was 2.4%, compared to 2.4% in November, while the one-year inflation expectation index was 2.7%, compared to 2.5% in November.
The University of Michigan index is not released to the press, but only to paying subscribers.