Do you feel refreshed after a cup of coffee? This effect comes from caffeine.
Caffeine is a natural stimulant that can help you feel refreshed and awake. But it also has a downside.
To get the most complete information about this, our team compiled detailed caffeine statistics.
We analyzed data on the consumption of caffeine, how much caffeine is in certain products, what doses of caffeine are safe to consume, and other topics. Read on for interesting, informative facts.
The Caffeine Statistics
1. In 2019, 64% of Americans aged 18 and over drank coffee every day. (NCA)
2. In North America, over 80% of adults consume caffeine regularly. (CAMH)
3. The effects of caffeine can last for up to 12 hours. (ADF)
4. A safe dose of caffeine for a healthy person is 400 mg, or 4-5 cups of coffee, per day. (FDA)
5. Coffee, tea, and soft drinks account for 96% of caffeine consumption in beverages. (ScinceDirect)
6. Every day, 90% of Americans consume caffeine in one form or another. (Kuakini)
7. More than half the adult population consumes 300mg of caffeine per day. (Kuakini)
8. The US leads the world in caffeine consumption, consuming 971 tons of the highly addictive drug each year. (BrandonGaille)
9. Seattle consumes the most caffeine per capita in the US. (BrandonGaille)
10. 68% of people consume their caffeine within an hour of waking up. (BrandonGaille)
11. 65% of caffeine is consumed during breakfast. (BrandonGaille)
12. 21 million Americans drink more than 6 cups of coffee daily. (BrandonGaille)
13. 68 million Americans drink more than 3 cups of coffee a day. (BrandonGaille)
14. 9 out of 10 teens have trouble sleeping due to their caffeine consumption. (BrandonGaille)
15. The most popular times to drink coffee are from 9:30am to 11:30am and from 1:30pm to 5pm. (BrandonGaille)
16. 37% of workers drink at least 2 cups of coffee a day to stay focused. (BrandonGaille)
17. A cup of coffee for caffeine measuring purposes is 6 ounces, but the average serving of coffee is actually 9 ounces. (BrandonGaille)
18. Caffeine content of drinks by the most popular coffee brands (BrandonGaille):
- Deathwish coffee has the most caffeine per fluid ounce at 54.2 mg
- The smallest recorded amount of caffeine in coffee comes from McDonald’s, at just 9.1 mg per fluid ounce.
- Caribou coffee contains about 15 mg of caffeine per fluid ounce.
- Peet’s brewed coffee contains 16.7 mg of caffeine per fluid ounce.
- Starbucks provides coffee with a high caffeine content: 20.6 mg per fluid ounce.
19. The most popular drinks that contain caffeine (CAMH):
- Cup of brewed coffee: 135 mg
- Cup of instant coffee: 76-106 mg
- Cup of decaf coffee: about 3 mg
- Cup of tea: 43 mg
- Regular cola soft drink (355 ml): 36-50 mg
- Energy drink (250 ml): 80 mg
- Dark chocolate (28 g): 19 mg
- Milk chocolate (28 g): 7 mg
- Hot chocolate mix packet: 7 mg
- Caffeine pills: 100 mg
20. Products containing caffeine by category (Kuakini):
| Coffees | Serving size | Caffeine (mg) |
| Coffee, generic brewed | 8 oz | Range: 102-200 |
| Starbucks Brewed Coffee (Grande) | 16 oz | 330 |
| Starbucks Vanilla Latte | 16 oz | 150 |
| Coffee, generic instant | 8 oz | Range: 27-173 |
| Coffee, generic decaffeinated | 8 oz | Range: 3-12 |
| Starbucks Espresso, Doppio | 2 oz | 150 |
| Starbucks Frappuccino Blended Coffee Beverages, average | 9.5 oz | 150 |
| Starbucks Espresso, Solo | 1 oz | 75 |
| Espresso, generic | 1 oz. | Range: 40-90 |
| Starbucks Brewed Decaf Coffee (Grande) | 16 oz. | 25 |
| Starbucks Espresso Decafiated | 1 oz. | 4 |
| Teas | Serving size | Caffeine (mg) |
| Tea, brewed | 8 oz | Range: 40-120 |
| Starbucks Tazo Chai Tea Latte (Grande) | 16 oz | 100 |
| Snapple, Lemon (and diet version) | 16 oz | 42 |
| Snapple , Peach (and diet version) | 16 oz | 42 |
| Snapple, Raspberry (and diet version) | 16 oz | 42 |
| Arizona Iced Tea (original) | 16 oz | 30 |
| NESTEA, Lemon | 20 oz | 27 |
| Snapple, unsweetened | 16 oz | 18 |
| Arizona Iced Tea, green | 16 oz | 15 |
| Snapple, Kiwi Teawi | 16 oz | 10 |
| Soft Drinks | Serving size | Caffeine (mg) |
| Cola soft drinks | 12 oz | 65 |
| Pepsi Max | 12 oz | 69 |
| Mountain Dew (regular or diet) | 12 oz | 54 |
| Pepsi One | 12 oz | 54 |
| Mello Yello | 12 oz | 51 |
| Diet Coke, Diet Coke Lime | 12 oz | 46 |
| TAB | 12 oz | 46.5 |
| Pibb Xtra | 20 oz | 66 |
| Diet Dr. Pepper | 12 oz | 44 |
| Dr. Pepper | 12 oz | 42 |
| Pepsi, Pepsi Natural | 12 oz | 38 |
| Pepsi Wild Cherry (regular or diet), Diet Pepsi Lime, Diet Pepsi Vanilla, Pepsi Throwback |
12 oz | 38 |
| Diet Pepsi | 12 oz | 35 |
| Coca-Cola Classic, Coke Cherry (regular or diet), Coke Lime, Coke Vanilla, Coke Zero |
12 oz | 34 |
| Barq’s Diet Root Beer | 12 oz | 22 |
| Barq’s Root Beer | 12 oz | 22 |
| Mug Root Beer, regular or diet | 12 oz | 0 |
| Energy Drinks | Serving Size | Caffeine (mg) |
| Spike Shooter | 8.4 oz | 300 |
| Cocaine | 8.4 oz | 280 |
| No Fear Motherload | 16 oz | 182 |
| Amp Elevate, Lightning, Overdrive, Relaunch, Traction |
16 oz | 160 |
| Monster Energy | 16 oz | 160 |
| Full Throttle | 16 oz | 144 |
| Rip It, all varieties | 8 oz | 100 |
| Enviga | 12 oz | 100 |
| Tab Energy | 10.5 oz | 95 |
| No Fear | 16 oz | 174 |
| Red Bull, Red Bull Sugarfree | 8.3 oz | 80 |
| Rockstar Energy Drink | 16 oz | 160 |
| SoBe Adrenaline Rush (regular and sugar free) |
16 oz | 152 |
| Amp | 16 oz | 143 |
| Glaceau Vitamin Water Energy Citrus |
16 oz | 40 |
| Over-the-counter drugs | Serving size | Caffeine (mg) |
| NoDoz (Maximum Strength) | 1 tablet | 200 |
| Vivarin | 1 tablet | 200 |
| Excedrin (Extra Strength) | 2 tablets | 130 |
| Anacin (Maximum Strength) | 2 tablets | 64 |
| Frozen Desserts | Serving size | Caffeine (mg) |
| Ben & Jerry’s Coffee Heath Bar Crunch | 8 fl. oz | 84 |
| Ben & Jerry’s Coffee Flavored Ice Cream | 8 fl. oz | 68 |
| Haagen-Dazs Coffee Ice Cream | 8 fl. oz | 58 |
| Haagen-Dazs Coffee Light Ice Cream | 8 fl. oz | 58 |
| Haagen-Dazs Coffee Frozen Yogurt | 8 fl. oz | 58 |
| Haagen-Dazs Coffee & Almond Crunch Bar | 8 fl. oz | 58 |
| Starbucks Coffee Ice Cream | 8 fl. oz | 50-60 |
| Chocolate/Candies/Others | Serving Size | Caffeine (mg) |
| Jolt Caffeinated Gum | 1 stick | 33 |
| Hershey’s Special Dark Chocolate Bar | 1.45 oz | 31 |
| Hershey’s Chocolate Bar | 1.55 oz | 9 |
| Hershey’s Kisses | 41g (9 pieces) | 9 |
| Hot Cocoa | 8 oz | Range: 3-13 |
21. The caffeine content of coffee beans varies depending on the variety and roast. For example, Arabica, grown mainly in Central and South America, contains about 1.1% caffeine. Robusta, grown mainly in Indonesia and Africa, contains about 2.2% caffeine. (CAMH)
22. There are restrictions on the consumption of caffeine by children (CAMH):
- 45 mg for children ages four to six
- 62.5 mg for children ages seven to nine
- 85 mg for children aged 10 to 12
- Older children should limit their intake. Up to 2.5 mg/kg body weight.
23. The effects of caffeine are felt approximately 30 minutes after consumption. (Kuakini)
24. The lethal dose of caffeine is 5-10 grams or 80 cups of strong coffee. (ADF)
25. In Australia, between 2004 and 2010, there were 297 calls to the NSW Poison Information Line regarding the toxicity of caffeinated energy drinks. (ADF)
26. At the time of this writing, approximately 220mg of caffeine was consumed by the author.
