While it varies by region and demographic, McDonald's is consistently the world's most popular fast-food chain by revenue and locations, with burgers and fries being the most ordered items globally; however, French Fries are often cited as the single most common fast-food item ordered across many brands, and Chick-fil-A dominates with younger consumers in the US.
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While McDonald's often leads in customer numbers and revenue, Subway is generally considered the #1 fast-food chain in Australia by number of locations, with over 1,200 outlets, making it the largest network in the country, followed by McDonald's and KFC.
The most unhealthy fast food in Australia, based on energy and sodium content, is often cited as Red Rooster's Bacon & Cheese Rippa meal combo (Rippa roll, large fries, large Coke) due to its extremely high kilojoules (7730kJ) and sodium (4571mg), exceeding daily recommendations, while Hungry Jack's Double Smoky BBQ Angus burger is a top offender in the burger category for its energy density. These meals pack significant energy (kilojoules), fat, and salt, contributing heavily to daily intake, with Red Rooster and Hungry Jack's often topping reports for poor nutritional profiles.
The healthiest fast food options focus on grilled protein, lots of vegetables, and whole grains, found in places like Chipotle (veggie/bean bowls), Subway (Turkey Breast & Ham), Chick-fil-A (grilled nuggets/sandwich), Wendy's (grilled chicken wrap/chili/baked potato), and Taco Bell (Fresco-style tacos/burritos), emphasizing customization to swap sauces, cheese, and fried items for healthier alternatives like salsa, avocado, and salads.
McDonald's has a massive presence, with over 13,000 locations in the United States. This makes it the most extensive fast-food chain in the country. Burger King, on the other hand, operates around 7,000 locations across the U.S., which is roughly half of McDonald's footprint.
Some of my favorite memories from growing up revolve around eating cheeseburgers with my family at Burgermaster. The Laurelhurst location was even my dad's unofficial office in the early days of the Gates Foundation. If you're ever in Seattle, there's nowhere better. Happy National Burger Day!
Most historians agree that the American company White Castle was the first fast-food outlet, starting in Wichita, Kansas in 1916 with food stands and founding in 1921, selling hamburgers for five cents apiece from its inception and spawning numerous competitors and emulators.
KFC's brand is ranked #130 in the list of Global Top 1000 Brands, as rated by customers of KFC. Their current valuation is $32.95B. McDonald's's brand is ranked #85 in the list of Global Top 100 Brands, as rated by customers of McDonald's. Their current valuation is $167.91B.
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McDonald's. McDonald's maintains its position as the world's most profitable fast food chain, with McDonald's revenue for the twelve months ending June 30, 2025, at $26.060 billion, a 1.18% increase year-over-year .
One of the survey's most consistent findings is the continued dominance of Chick-fil-A as Gen Z's favorite fast-food. While the fast food landscape remains competitive, Chick-fil-A has held a steady lead that reflects more than just taste.
McDonald's most popular item globally is its French Fries, selling millions of pounds daily and often ordered with other favorites like the iconic Big Mac or Chicken McNuggets, though regional tastes vary with items like Hash Browns and McChickens also topping charts.
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Another celebrity who always orders the same thing from McDonald's is Paris Hilton. In an interview with online publication Mashed, the socialite revealed her love for the fast food chain's iconic French fries and creamy milkshakes.
The billionaire investor's diet, however, has never quite grown up. His devotion for Coca-Cola is well known, as is his fondness for ice cream, candy and hamburgers. Buffett has never tried to hide it. “I found everything I like to eat by the time I was six,” he told CNBC in a 2023 interview.
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For the cheapest fast food, look to McDonald's, Taco Bell, Wendy's, and Burger King, which consistently offer value menus, dollar deals, and meal combos (like Wendy's Biggie Bag or Taco Bell's Cravings Menu) that provide significant food for under $10, often leveraging app deals and paper coupons for even better savings.
The healthiest fast food in Australia often comes from places offering fresh ingredients like Roll'd (Vietnamese rice paper rolls, pho), Sumo Salad/Greenstreat (fresh salads, grain bowls), Nando's (grilled chicken, salads), Grill'd (veggie/lean meat burgers with salad), and Guzman y Gomez (veggie/chicken bowls/burritos), focusing on grilled options, plenty of vegetables, and avoiding fried items or heavy sauces for lighter choices like sushi, poke bowls, or kebabs with lean protein.
In a new report, World Atlas ranks the top 10 unhealthiest fast food chains, warning of higher risks of heart disease and type 2 diabetes. Wendy's ranked as the unhealthiest, along with other popular chains like McDonald's, Taco Bell, Little Caesars and Chick-fil-A. Here's what to know.
Neither Five Guys nor McDonald's offers truly "healthy" fast food, but studies often find Five Guys' burgers higher in calories, saturated fat, and sodium, making McDonald's a relatively better choice if you're watching those metrics, especially with simpler orders like a basic hamburger or chicken nuggets, though their fries and shakes are still high in unhealthy elements. Five Guys uses fresher ingredients (80/20 beef, no fillers), but their portion sizes and ingredient density (cheese, bacon, multiple patties) significantly increase nutritional downsides compared to McDonald's standard offerings.