In today’s global economy, the ability to communicate is key, and as more companies expand internationally, the ability to communicate in another language has become a significant advantage in the workforce. Research from Rosetta Stone found that people who speak at least one foreign language have an average annual household income that’s $10,000 higher than the household income of those who only speak English. And about 17 percent of those who speak at least one foreign language earn more than $100,000 a year.

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A recent survey from Los Angeles-based recruiter Korn/Ferry International found that nearly nine out of 10 headhunters in Europe, Latin America and Asia say that being at least bilingual is critical for success in today’s business environment. And 66 percent of North American recruiters agreed that being bilingual will be increasingly important in the next ten years.