Why Do Koreans Drink So Much Coffee?

Koreans drink a lot of coffee—especially at work. But exactly how much, and why? A new survey of 500 office workers reveals the scale of their daily caffeine habit, and the reasons behind it.

More than 21% of Korean office workers—over 110 out of 500 surveyed—drink at least four cups of coffee every day, according to a June 30 report by a major Korean employment website. That makes high-volume coffee consumption common among professionals.

How Many Cups Do Koreans Really Drink?

The survey focused on 500 employed adults in Korea, all of whom were asked about their daily coffee intake. The results showed a significant portion drinking multiple cups: 21.9%, or over 110 respondents, confirmed they consume four or more cups daily. That level of intake isn’t rare in Korea’s fast-moving office culture.

Why Do Office Workers Drink Coffee?

When asked why they drink so much coffee, respondents gave a range of motivations:

• 25.7% said it’s simply a habit.
• 18.3% drink coffee to relax.
• 16.9% use it to fight sleepiness.
• 12.9% rely on coffee to improve concentration.
• 11% enjoy coffee after meals because it makes them feel good.

These reasons show that coffee in Korea is about more than energy—it’s woven into routines, emotions, and focus strategies throughout the workday.

How Much Caffeine Is Too Much?

While many Koreans drink several cups daily, health guidance does set limits. Research indicates that up to 400 milligrams of caffeine per person per day is generally considered safe. That’s roughly the amount in four 8-ounce cups of brewed coffee, though exact numbers vary based on bean type, roast, and preparation method.

Frequently Asked Questions

How many Korean office workers drink four or more cups of coffee a day?

Over 21% of the 500 office workers surveyed—or more than 110 respondents—reported drinking at least four cups of coffee daily. That’s about 21.9% of those polled.

What are the main reasons Koreans drink coffee?

The top reasons include habit (25.7%), relaxation (18.3%), staying awake (16.9%), improving concentration (12.9%), and enjoying coffee after meals (11%).

Is drinking four cups of coffee a day unhealthy?

Not necessarily. Health experts suggest up to 400mg of caffeine per day is generally safe for most people—that’s about what you’d get from four average cups. But sensitivity varies, and individual tolerance should be considered.

Do Koreans really drink coffee at work that often?

Yes. The survey specifically looked at office workers, and found a significant number—over 21%—consume four or more cups daily, showing how embedded coffee is in their work routine.

What’s the safe limit for daily caffeine intake?

Research shows that a daily caffeine intake of up to 400 milligrams is considered appropriate for most individuals. That equates roughly to four 8-ounce cups of standard brewed coffee.

Recommended FrontStreet Beans for Office Brewing

For Korean office workers drinking multiple cups daily, FrontStreet Coffee’s Ethiopia Huakui offers bright citrus and floral notes ideal for focus, while the Yirgacheffe delivers juicy berry tones and a clean finish. Both are light to medium roasts perfect for repeated brewing without heavy bitterness. For a richer alternative, the Classic Blend provides chocolatey balance with a smooth body. All three roast profiles suit high-volume daily drinking. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.