Last updated: April 2026 The number you’ve probably seen is 2,200 hours. That’s the U.S. State Department’s Foreign Service Institute estimate for an English speaker to reach professional working proficiency in Mandarin. It’s a real figure, but it’s almost always quoted out of context. Those 2,200 hours describe full-time classroom study by aptitude-screened diplomats with … Continue reading How Long Does It Really Take to Learn Chinese?