The optimism was found to be highest in Brazil, China, Indonesia and Saudi Arabia and lowest in South Africa, Russia and Turkey, though improving.

The survey, titled Emerging Consumer Survey, is a detailed study profiling consumer sentiment within the BRIC nations (Brazil, Russia, India and China) alongside those of Turkey, Saudi Arabia, Indonesia, and, South Africa.

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The consumers of the countries together represent over 3.3 billion people across the globe.

The survey revealed that of just over 14,200 adults included in the survey across eight countries, 37% thought their personal finances would be improving over the next six months, while 9% expect some deterioration (being a net 3% improvement over last year.)

Giles Keating, Credit Suisse’s Global Head of Research for Private Banking and Wealth Management, said: "The analysis delivered in this report and the accompanying Emerging Consumer Databook offers information available nowhere else about the global boom in emerging market consumer spending."

"It underlines the ambition of the Credit Suisse Research Institute to provide our clients unique and proprietary insights. The survey builds upon the Research Institute’s detailed knowledge of trends in emerging markets and complements the recent Credit Suisse Global Wealth Report," Keating added.