저
jeo
I (formal/polite)
나
na
I (casual)
저 (Jeo) vs 나 (Na): When to Use Each "I" in Korean
저 (jeo) is the formal/polite way to say "I" in Korean, used with strangers, elders, and in professional settings. 나 (na) is the casual form, used with close friends and people younger than you.
Side-by-Side Comparison
| 저 (jeo) | 나 (na) | |
|---|---|---|
| Politeness Level | Formal / Polite | Casual / Informal |
| Used With | Strangers, elders, bosses, teachers | Close friends, younger people, children |
| Common Particle | 저는 (jeoneun) / 제가 (jega) | 나는 (naneun) / 내가 (naega) |
| Sentence Endings | -습니다 / -요 endings | -아/어 / -야 endings |
| First Impression | Respectful, safe choice | Friendly, but can be rude if misused |
Examples in Context
Meeting your Korean friend's parents — using 저
저는 미국에서 왔습니다.
I am from the United States.
Texting your close Korean friend — using 나
나 지금 가고 있어!
I'm on my way now!
Job interview — using 저
저는 3년 동안 개발자로 일했습니다.
I have worked as a developer for 3 years.
Talking to your younger sibling — using 나
나도 같이 갈래.
I want to go together too.
Common Mistakes to Avoid
- ✗Using 나 with your boss or professor — always use 저 in professional/educational settings
- ✗Mixing 저 with casual sentence endings like -야 or -어 — if you use 저, match it with -요 or -습니다
- ✗Using 나 when meeting someone for the first time — default to 저 until the relationship becomes closer
- ✗Overthinking it — when in doubt, just use 저. It's never wrong to be polite.
Frequently Asked Questions
What is the difference between 저 and 나 in Korean?
저 (jeo) is the humble/formal form of "I" used in polite speech (존댓말). 나 (na) is the plain/casual form used in informal speech (반말) with close friends or younger people.
Can I use 나 with strangers in Korea?
No. Using 나 with strangers is considered rude in Korean culture. Always use 저 when speaking to someone you don't know well, regardless of their age.
What about 제가 vs 내가?
제가 (jega) is the formal subject form of 저, and 내가 (naega) is the casual subject form of 나. Use 제가 in polite sentences and 내가 in casual ones. For example: 제가 할게요 (formal: I'll do it) vs 내가 할게 (casual: I'll do it).
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