The top 20 restaurant chains in the world

The fast food industry is booming as consumers increasingly choose convenience over cooking their own food.

Nation’s Restaurant News just released its annual list of top 100 restaurant chains with highest systemwide sales in the United States.

Check out the top 20 chains with highest systemwide sales in the US for 2015.

16. Olive Garden

Locations: Olive Garden has more than 800 restaurants worldwide.

Total Sales in the US: $US3.8 billion

14. Chipotle Mexican Grill

Locations: Chipotle has more than 1,800 restaurants, including 17 Chipotle restaurants outside the US, according to a press release from June 2015.

Total Sales in the US: $US4.1 billion

10. Applebee's Neighbourhood Grill & Bar

Locations: Applebee's has around 2,011 restaurants in the United States, one United States territory and 15 foreign countries, according to Investor Newswire.

Total Sales in the US: $US4.6 billion

9. Pizza Hut

Locations: Pizza Hut has more than 6,300 locations in the United States, according to The Christian Science Monitor.

Total Sales in the US: $US5.5 billion

8. Chick-fil-A

Locations: Chick-fil-A has approximately 2,000 locations in the United States, according to The Huffington Post.

Total Sales in the US: $US5.7 billion

6. Taco Bell

Locations: Taco Bell has around 6,000 locations in the U.S., according to Bloomberg.

Total Sales in the US: $US8.2 billion

2. Starbucks Coffee

Locations: Starbucks has 12,233 locations in the United States.

Total Sales in the US: $US13 billion

You've seen the top restaurant chains...

Lululemon is releasing fiscal 2015 first-quarter results next week.

Now check out the top 50 brands for millennials >

NOW WATCH: Briefing videos

Business Insider Emails & Alerts

Site highlights each day to your inbox.

Follow Business Insider Australia on Facebook, Twitter, LinkedIn, and Instagram.