You could call it the global middle class.

可称之为全球中产阶级。

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By most estimates, the global middle class will more than double in number between now and 2030.

根据大多数的估计，从现在到2030年间，全球中产阶级人数会是现在的两倍多。

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Many Japanese firms that lost money in 2009 have revived their fortunes by selling to the new global middle class.

通过开发全球范围内新中产阶级市场，诸多在2009年亏损的日本企业挽回了损失。

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The global middle class now totals 2 billion people that spend 6.9 trillion annually.

FORBES: The Finances Of The Global Middle Class

In 2009, the Chinese consumer accounted for 4% of global middle class consumption.

FORBES: Is The China Consumer Story Overblown?

McKinsey forecasts that, in the next twenty years, the global middle class will nearly triple to around 4.6 million people.

FORBES: Bernanke's Big Question: What's Ahead For Inflation?