The University of Michigan's preliminary July consumer sentiment index reading was 97.1, compared to the final June 98.2 and the preliminary June 99.3, according to market sources.
The expectations index was 86.4 compared to the final June 86.3 and the preliminary June 87.4.
The current conditions index was 113.9, compared to the final June 116.5 and the preliminary June 117.9.
Economists polled by IFR Markets had predicted a 98.3 reading for the main index.
The five-year inflation expectation index was 2.4%, compared to 2.6% in June, while the one-year inflation expectation index was 2.9%, compared to 2.9% in June.
The University of Michigan index is not released to the press, but only to paying subscribers.