Korea's Naturalization Written Test Was Replaced. Here's…

The test isn’t what it used to be.

Plenty of people still talk about a short multiple-choice naturalization written test. That version is gone. Since December 20, 2018, applicants prove their basic knowledge through the KIIP (Korea Immigration and Integration Program) comprehensive assessment for naturalization instead.

Maybe you’ve lived here for years on an F-5. Maybe you’re married to a Korean and hold an F-6. You’ve started collecting papers for gwihwa (귀화, naturalization). Then the immigration office tells you to “finish the comprehensive assessment first.” Nobody explains which test, where to sign up, or whether you even need it.

That confusion costs months. Here’s how the system works, from the test itself to the interview and the paperwork behind it. F-5 permanent residency

Why the “written test” you heard about no longer exists

Korea’s standalone naturalization written test ended when amendments to the Nationality Act took effect on December 20, 2018. Applicants now show basic knowledge of Korean language and society through the KIIP naturalization comprehensive assessment. The Ministry of Justice runs it through the KIIP system, not the immigration counter. The pass mark is 60 out of 100, and the test is entirely in Korean.

The legal hook is Article 5 of the Nationality Act. It lists the requirements for general naturalization, and one item covers knowledge. You can read the English text on MOLEG.

“Have basic knowledge befitting a national of the Republic of Korea, such as Korean language ability and understanding of Korean customs.” (Nationality Act, Article 5, English translation published by MOLEG)

Before 2018, the immigration side tested this with its own exam. Now one assessment does double duty. It marks the end of the KIIP course. It also satisfies the knowledge requirement for naturalization.

Why does that matter to you? Because the test now lives inside the KIIP system. You register, schedule, and check results on the KIIP portal, not on the immigration side.

There are two ways to reach that test. One of them saves you a step later.

Two roads to the assessment, and only one pays off twice

You can reach the naturalization assessment two ways. The first is completing KIIP through Level 5, including the advanced naturalization course, then passing the test. The second is registering for the assessment directly, without classes. Both routes use the same exam and the same 60-point pass mark. Only the KIIP route also gives you a completion record that other immigration applications recognize.

Road 1: Finish KIIP

KIIP runs from Level 0 to Level 5. Levels 0 to 4 build Korean language skills. Level 5 covers Korean society, history, law, and politics.

Your starting level depends on a placement test, called the pre-assessment (sajeon pyeongga). A TOPIK score can also be used for placement. Strong Korean speakers often skip the early levels this way.

Level 5 splits into two parts:

1. Basic course: 70 hours. This leads to the permanent residency (F-5) assessment.
2. Advanced course: 30 hours. This leads to the naturalization assessment.

So the naturalization track at Level 5 is 100 hours in total. Classes run at designated operating institutions, often on evenings or weekends.

Road 2: Register for the assessment directly

You don’t have to attend classes. Applicants who skip KIIP can register for the naturalization assessment on its own. This route suits people whose Korean is already strong and who know Korean civics well.

Here’s the trade-off. The direct route gets you a result for naturalization. The KIIP route gets you that result plus a completion record. That record also counts in other applications, such as bonus points in the F-2 points system. KIIP registration

Choosing a road is easy. Passing takes work, and one section surprises people.

What’s on the test, and the part book-only study misses

The assessment checks two things: your Korean and your understanding of Korean society. Expect a written part with multiple-choice and short writing tasks. Then comes an oral part, where you read and answer questions aloud in Korean. Topics include culture, history, law, politics, economy, and daily life. You need 60 out of 100. Speaking is where quiet desk study runs out.

The written part

Questions draw on KIIP Level 5 content. The Ministry of Justice publishes textbooks titled Understanding Korean Society (한국사회 이해), in basic and advanced editions. The advanced edition matches the naturalization track.

Common subject areas include:

• Politics and law: the Constitution, elections, the three branches of government
• History: major periods, the Korean War, democratization
• Economy and society: work, taxes, social insurance, education
• Culture: holidays like Seollal and Chuseok, customs, etiquette

The oral part

An examiner asks you to read a passage aloud. Then you answer questions about it in Korean. Some questions ask for your opinion. Memorized facts won’t score if you can’t say them clearly.

Short version? Practice speaking.

What Korean language level is required?

No fixed TOPIK grade is written into the naturalization rules. The real bar is practical. You must read, write, and speak well enough to pass a test given only in Korean. KIIP Level 5 assumes you finished Level 4, the program’s upper-intermediate stage. If the pre-assessment places you directly into Level 5, you’re close to the needed level.

Some readers hope to skip the test entirely. A few can. Most can’t.

Who skips the assessment, and who only thinks they do

The clearest KIIP comprehensive assessment exemption covers people who already completed KIIP by passing the naturalization assessment. Their completion record replaces a new test. Minor children who acquire nationality together with a naturalizing parent fall under a separate provision. For most other applicants, including F-6 spouses and long-term residents, assume the assessment applies until an officer tells you otherwise.

Things that do not exempt you

• Years of residence. Ten years in Korea doesn’t replace the test.
• Marriage to a Korean. Simple naturalization shortens residence periods. It doesn’t remove the knowledge requirement.
• A high TOPIK score. TOPIK can place you into a higher KIIP level. It isn’t a substitute for the naturalization assessment.
• An F-5 card. Passing the permanent residency assessment is not the same as passing the naturalization one.

Cases to ask about

Rules for older applicants, applicants with disabilities, and special naturalization (for people with outstanding ability or special merit) can differ. Call the Immigration Contact Center at 1345 before you register. Don’t rely on a forum post from five years ago.

Say you passed. Good news: you’re closer. Less good news: a conversation still lies ahead.

The interview after the test, where files quietly stall

For most applicants, passing the assessment leads to an in-person interview at an immigration office. An officer checks your spoken Korean, your grasp of democracy and the Constitution, and your reasons for becoming Korean. Officers have discretion, and no fixed question list is published. Prepare naturalization interview questions aloud, in Korean, exactly as you’d answer them on the day.

Areas to practice

Build short spoken answers for each of these areas:

1. You: Why naturalize? How long have you lived here? What’s your job? Who’s in your family?
2. The state: Article 1 of the Constitution says Korea is a democratic republic. Be ready to explain what that means.
3. Duties: The Constitution sets out duties such as paying taxes, national defense, education, and work.
4. Symbols: the national flag (Taegukgi), the national anthem (Aegukga), and the national flower (mugunghwa).
5. Civic life: how elections work, how to report a crime, which public services exist.

Here’s the catch. Smooth memorized answers can still fall apart if the officer asks a follow-up you don’t understand. Practice with someone who interrupts you.

After approval

Approval isn’t the finish line either. Since the 2018 amendment, you take an oath at a ceremony and receive a Certificate of Naturalization. Korean nationality takes effect at that point.

Then comes your old passport. Under the Nationality Act, you generally must renounce your previous nationality within 1 year. Some groups, such as marriage migrants and special naturalization cases, may instead submit a pledge not to exercise foreign nationality in Korea. Check which applies to you on the Korea Immigration Service site.

But the test and interview judge only part of your file. The rest sits in your documents.

Before you book: the requirements that decide your file

General naturalization requirements under Article 5 of the Nationality Act include at least 5 years of continuous domicile in Korea, adult age, permanent residency status, good conduct, financial self-support, basic knowledge, and no threat to national security or public order. Simple naturalization for spouses of Koreans uses shorter residence periods. The assessment covers just one item. Your documents carry the rest.

General vs. simple naturalization

Financial self-support

You must show you can support yourself and your household. Proof can include bank balance certificates, property records, or employment and income documents. The Ministry of Justice sets the thresholds and updates them. Confirm current figures before you gather records.

Naturalization application documents

The core set usually includes:

• Naturalization application form and a recent photo
• Passport and ARC (Alien Registration Card, 외국인등록증)
• Proof of livelihood (financial or employment records)
• Home-country family relation and criminal record documents, with apostille or consular legalization plus a Korean translation
• KIIP completion record or naturalization assessment result
• Application fee of KRW 300,000

Your office may ask for more, especially for marriage-based files. Book a visit through HiKorea. Domestic records, such as a certificate of alien registration facts, are available through Government24.

Processing can run a year or longer. Watch for anything that expires along the way, including your ARC and your home-country certificates. F-6 marriage migrant naturalization

Your next three moves

1. Check your eligibility today: residence years, F-5 status for general naturalization, and finances.
2. Pick your road, full KIIP or direct assessment, and register on the KIIP portal.
3. Start speaking Korean on civic topics now. The oral test and the interview both reward it.