# South Korea expands health insurance income reconciliation

> South Korea's health insurance service shifts to nationwide income reconciliation, adding $2.5 billion burden on 3.94 million households.
- Title: South Korea expands health insurance income reconciliation
- Summary: South Korea's health insurance service shifts to nationwide income reconciliation, adding $2.5 billion burden on 3.94 million households. South Korea's…
- Keywords: south korea, national health insurance service, income reconciliation, premiums, refunds, national tax service, health and welfare committee, finance, markets, South, Korea, expands
- Source: BigGo Finance — https://finance.biggo.com/news/fbfdd763-b503-49f5-8304-9071cbcd4492
- Author: BigGo Finance
- Published: 2026-10-20T02:35:13+00:00
- Read time: 1 min
- Topics: south korea, national health insurance service, income reconciliation, premiums, refunds, national tax service, health and welfare committee, finance, markets
## National Health Insurance Service expands income reconciliation
South Korea's National Health Insurance Service plans to shift from subscriber applications to annual income reconciliation using National Tax Service data.
## New system covers 9.08 million households
The measure will cover 9.08 million regional subscriber households and 1.1 million workplace subscribers with non-salary income.
## 3.94 million households pay $2.5 billion extra
3.94 million regional subscriber households would pay an additional 3.2911 trillion won ($2.5 billion) in premiums.
## 2.32 million households receive $1.4 billion refunds
2.32 million households would receive refunds totaling 1.8014 trillion won ($1.4 billion) from income declines.
## Net fiscal gain of $1.1 billion
The net fiscal gain is estimated at 1.4897 trillion won ($1.1 billion), earmarked for regional medical care and severe disease coverage.
## Ex officio reconciliation system
The system uses National Tax Service income data for annual ex officio reconciliation, eliminating selective reconciliation issues.
## Households face potential sudden expenses
Households with rising incomes may face lump sums ranging from hundreds of thousands to millions of won in a single year.
## Key takeaway

South Korea's National Health Insurance Service will expand income reconciliation to cover 9.08 million households, adding $2.5 billion in premiums for 3.94 million households while refunding $1.4 billion to 2.32 million households.