Introduction
Do you ever feel unsure whether to say fewer people or less people? You are not alone. Even native speakers frequently mix up fewer and less, but the rule is actually simple once you understand the difference between countable and uncountable nouns. In this guide, we will walk you through the exact rules, common confusions, and practical tips so you can use these words with confidence in your writing and speaking.
What Is “Fewer” and “Less”?
Fewer and less are both comparative words that mean “a smaller amount or number of something.” However, they are not interchangeable. The key difference lies in the type of noun they modify:
- Fewer is used with countable nouns — things you can count individually (e.g., apples, books, people).
- Less is used with uncountable nouns — things you cannot count individually (e.g., water, time, money).
Think of it this way: if you can put a number in front of the noun (one apple, three books, ten people), use fewer. If you cannot easily put a number in front (some water, much time, a lot of money), use less.
Rules for Using “Fewer” and “Less”
- Use “fewer” with countable plural nouns. For example: fewer chairs, fewer mistakes, fewer opportunities.
- Use “less” with uncountable singular nouns. For example: less sugar, less traffic, less stress.
- Use “less” with numbers and measurements. When referring to a quantity, distance, time, or money, use less: less than 10 minutes, less than 5 miles, less than $20.
- Use “less” with percentages and fractions. Even if the item is countable, use less when talking about a percentage or fraction of a whole: less than 30% of students, less than half the cake.
- Use “fewer” when you can count the individual items. If you can say “one X, two X, three X,” use fewer: fewer cars, fewer days, fewer problems.
How to Use “Fewer” and “Less” Step by Step
Follow these simple steps to choose the correct word every time:
- Identify the noun that follows the word (fewer/less).
- Ask yourself: Can I count this noun as individual units? For example, can I say “one apple, two apples”?
- If yes, use “fewer.” Example: I have fewer apples than you.
- If no, use “less.” Example: I have less water than you.
- Watch for exceptions: Use less with time, money, distance, and percentages, even if the noun seems countable. For instance, less than 10 dollars (money as an amount) but fewer dollars (individual bills).
Pro tip: When in doubt, try adding a number before the noun. If it sounds natural (e.g., “three hours”), use fewer. If not (e.g., “three time” — wrong), use less.
Examples in Sentences
- This supermarket has fewer customers than the one downtown.
- We need less sugar in this recipe.
- She made fewer mistakes on her second test.
- There is less traffic on weekends.
- He earns less money than his brother.
- I have fewer books than I did last year.
- We should spend less time on social media.
- There are fewer students in class today.
- She drinks less coffee now because of her health.
- They received fewer complaints after improving the service.
- You need less than 5 minutes to complete this task.
- He has fewer friends in this city than in his hometown.
Common Mistakes with “Fewer” and “Less”
Here are the most frequent errors ESL learners make — and how to fix them:
- Mistake 1: ❌ There are less people at the party.
✅ There are fewer people at the party. (People are countable.) - Mistake 2: ❌ I need fewer water.
✅ I need less water. (Water is uncountable.) - Mistake 3: ❌ She has less books than me.
✅ She has fewer books than me. (Books are countable.) - Mistake 4: ❌ We have fewer time to finish.
✅ We have less time to finish. (Time is uncountable.) - Mistake 5: ❌ He ate fewer than 3 cookies.
✅ He ate less than 3 cookies. (Use less with numbers, even for countable items.)
Quick Summary
- Fewer + countable plural nouns (e.g., fewer chairs, fewer problems).
- Less + uncountable singular nouns (e.g., less sugar, less time).
- Less + numbers, measurements, money, time, distance, percentages (e.g., less than $50, less than 10 km).
- Exception: Use fewer when referring to individual units of money or time (e.g., fewer dollars, fewer hours).
- When unsure, ask: “Can I count this noun?” If yes, use fewer. If no, use less.
Practice Exercises
Fill in the blanks with fewer or less. Check your answers below.
- There are ________ students in the library today than yesterday.
- I need to drink ________ soda to stay healthy.
- She has ________ than 20 dollars in her wallet.
- We should make ________ noise so the baby can sleep.
- He received ________ job offers than his friend.
Answers:
- fewer (students are countable)
- less (soda is uncountable)
- less (money as an amount)
- less (noise is uncountable)
- fewer (job offers are countable)
Conclusion
Mastering the difference between fewer and less is a small but powerful step toward more natural and accurate English. Remember the simple rule: countable nouns take fewer, uncountable nouns take less, and measurements always take less. With practice, you will use these words correctly without even thinking about it. Keep practicing, and soon this rule will become second nature!
FAQ
1. Can I use “less” with countable nouns in informal English?
Yes, in informal spoken English, many native speakers use less with countable nouns, especially in phrases like “less people” or “less cars.” However, in formal writing, exams, and professional contexts, you should always follow the rule: use fewer with countable nouns. Stick to the rule for academic and business English.
2. Why do we say “less than 10 miles” but “fewer miles”?
This is a common point of confusion. Use less when you are talking about a measurement or distance as a whole amount (e.g., “less than 10 miles” means the entire distance). But when you refer to individual units (e.g., “fewer miles” means a smaller number of mile units), use fewer. In everyday use, “less than 10 miles” is far more common and correct.
3. Is it “less money” or “fewer money”?
It is always less money because “money” is an uncountable noun. However, if you are talking about individual coins or banknotes, you can say “fewer coins” or “fewer bills.” For example: “I have less money than you” (uncountable) but “I have fewer coins in my pocket” (countable).
4. What about “less time” vs “fewer hours”?
Use less time because “time” is uncountable. But “hours” are countable, so you would say fewer hours. For example: “I have less time to finish the project” vs “I have fewer hours to work today.” Always check whether the noun itself is countable or uncountable, not the concept.