The trust of Americans in different kinds of institutions fell last year as the relentlessly high unemployment rate weakened the confidence of people in government and business, a recently released study discovered.

The drop in United States’ trust in business occurred amidst an overall worldwide increase. The global increase is driven by the swelling confidence in fast developing economies that includes Brazil and India, the Edelman Trust Barometer revealed.

The study found that only 46 percent of Americans said they trusted business. That is 8 percent down from 54 percent the previous year.

The study was released on Tuesday. It was performed by Edelman U.S., a public relations firm. According to Matthew Harrington, the chief executive of Edelman U.S., the rebound last year was a tiny piece of euphoria. He said this year shows more of the reality that it is going to be a long toil.

Some 56 percent of the respondents worldwide said they trusted business, which is up from 54 percent last year. Respondents in Brazil, India and France influenced the general increase in confidence.

In Brazil alone, 81 percent of the total respondents said they trusted business. The figures increased from 62 percent in 2009.

Harrington said the results show an evident sense of optimism. It tells the fact that their economies are doing well, and that both home-grown and business from abroad are investing in their countries.

Brazil’s economy bloomed back in 2010 after it has shortly declined in 2009 because of the recession. They have grown an estimated 7.4 percent rate.

In comparison, the economy in United States is still struggling with the high unemployment rate. It has remained above 9 percent for the past 20 months. Certain analysts look for possibilities that GDP will grow around 2.5 percent this year.