How to Write a Compare and Contrast Essay
A compare and contrast essay examines two subjects side by side to show how they are similar and different, and why that matters. The secret is not listing differences but making a point about them.
Updated 21 October 2026 · EssayWriting.com editorial team
- Choose point-by-point (one criterion per paragraph) or block (one subject at a time) structure.
- Your thesis should say what the comparison reveals, not just that similarities exist.
- Five paragraphs is common, but longer comparisons can have more.
Step 1: choose subjects with a reason to compare
Good pairs share a category but differ in an interesting way: two poems on the same theme, two approaches to a policy, a book and its film. Ask: what will the reader understand after the comparison that they did not before?
Step 2: brainstorm with a Venn diagram or table
| Criterion | Subject A | Subject B | Similar or different? |
|---|---|---|---|
| Criterion 1 | |||
| Criterion 2 | |||
| Criterion 3 |
Pick the three criteria with the most to say. Those become your body paragraphs.
Step 3: write a comparative thesis
A weak thesis says "A and B have similarities and differences." A strong one makes a claim: "Although both novels depict war, X treats it as personal tragedy while Y treats it as political failure, which explains their very different endings." Our thesis statement guide shows how to sharpen it.
Step 4: pick a structure
| Point-by-point | Block | |
|---|---|---|
| How | Each paragraph covers one criterion for both subjects | First half covers A, second half covers B |
| Best for | Longer essays, close analysis | Short essays, simple subjects |
| Risk | Can feel choppy without transitions | Can read like two separate essays |
Compare and contrast essay outline (point-by-point)
- Introduction: hook, introduce both subjects, comparative thesis.
- Body 1: criterion 1, A then B, what the difference shows.
- Body 2: criterion 2, A then B, what it shows.
- Body 3: criterion 3, A then B, what it shows.
- Conclusion: restate thesis, explain the significance.
Build yours with guiding questions in the essay outline builder (choose "Compare and contrast").
Transition words
| To compare | To contrast |
|---|---|
| similarly, likewise, in the same way, both, equally | however, whereas, in contrast, on the other hand, unlike |
Worked mini-example
"Both cities rely on public transport, but they fund it differently. City A covers most costs from fares, whereas City B subsidises tickets through local taxes. As a result, City B's buses run more often on low-income routes, which suggests funding model shapes who the system serves."
Illustrative example written for this guide.
Topic ideas
- Online learning vs classroom learning
- Two characters facing the same choice in one novel
- Renewable vs fossil-fuel energy policy in two countries
- Social media in 2010 vs today
- Two historical leaders' approaches to a crisis
Related
Full worked example: planning a compare and contrast essay
Prompt: Compare online learning and classroom learning for secondary school students.
1. Brainstorm criteria
| Criterion | Online | Classroom |
|---|---|---|
| Flexibility | Learn any time, pause and replay lessons | Fixed timetable |
| Interaction | Mostly written or video, can feel distant | Instant questions and discussion |
| Self-discipline needed | High | Lower, routine is external |
| Access | Needs reliable device and internet | Needs travel to school |
2. Choose the three richest criteria
Interaction, self-discipline and access give the most to analyse, and together point toward a claim about which students benefit from each mode.
3. Draft the thesis
"Online and classroom learning can deliver the same content, but because online learning shifts responsibility for structure from the school to the student, it favours students who already have self-discipline and reliable access, while classrooms better support those who need routine and immediate help."
4. Sketch the body paragraphs (point-by-point)
- Body 1, interaction: classroom questions get immediate answers; online questions wait. Significance: struggling students fall behind faster online.
- Body 2, self-discipline: classrooms impose routine; online learners must create it. Significance: motivation gaps widen.
- Body 3, access: online needs devices and internet; classrooms need transport. Significance: each mode excludes a different group.
5. Conclusion
Return to the thesis: the better mode depends on the learner, so schools might offer blended options. Do not introduce new evidence here.
Writing the paragraphs: a model body paragraph
Interaction is where the two modes differ most. In a classroom, a confused student can raise a hand and get an answer within seconds, and the teacher can see confusion on faces before anyone asks. Online, the same question may sit in a message queue until the next day. Whereas classroom learners can repair misunderstandings immediately, online learners risk building new material on top of a gap. This suggests that students who struggle with a subject lose more from the move online than confident students do.
Illustrative paragraph written for this guide. In a real essay, support claims with cited evidence.
Notice the pattern: topic sentence, A, B, a contrast transition ("Whereas"), then what the difference means. That last step is what separates analysis from a list.
Compare and contrast essay checklist
- Both subjects belong to the same category and have a reason to be compared.
- The thesis makes a claim about what the comparison reveals.
- Each body paragraph covers one criterion for both subjects (point-by-point) or the blocks follow the same order of criteria (block method).
- Each paragraph ends by explaining the significance of the similarity or difference.
- Transitions signal comparison and contrast clearly.
- The conclusion answers "so what?" without new evidence.
Block method outline (for short essays)
- Introduction with comparative thesis.
- Subject A: criterion 1, criterion 2, criterion 3.
- Subject B: criterion 1, criterion 2, criterion 3 (same order), with explicit references back to A ("Unlike A...").
- Conclusion explaining what the comparison reveals.
Keep the criteria in the same order in both blocks and add comparison language in the B block, otherwise the essay reads like two separate descriptions.
Quick answers to common questions
Can I focus only on differences?
Yes, if the prompt allows. Some assignments ask only to contrast; others require both.
Frequently asked questions
What are the two structures for a compare and contrast essay?
Point-by-point, where each paragraph covers one criterion for both subjects, and block, where you discuss one subject fully and then the other.
How many paragraphs is a compare and contrast essay?
Commonly five: an introduction, three body paragraphs and a conclusion, but longer essays can have more.
What makes a good compare and contrast thesis?
It makes a claim about what the similarities or differences reveal, not just that they exist.
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