Data last updated: August 2026

Sydney, AustraliaKoh Samui, Thailand

You would need around 68.7% less money in Koh Samui, Thailand to maintain the same standard of living you have in Sydney, Australia.

Overall Cost of Living

68.7%

Koh Samui, Thailand is cheaper than Sydney, Australia

1-Bed Rent (City Center)

City A2,518 USD
City B844 USD
Difference-66.5%

Groceries (Monthly)

City A275 USD
City B69 USD
Difference-74.9%

Average Net Salary

City A4,206 USD
City B402 USD
Difference-90.4%

Editorial Insight: Planning a move from Sydney, Australia to Koh Samui, Thailand? Based on our verified data model, you are looking at a fantastic geo-arbitrage opportunity. Overall, the cost of living in Koh Samui, Thailand is 68.7% cheaper. Housing is typically the biggest financial win—renting a 1-bedroom apartment in Koh Samui, Thailand's center costs around 844 USD, which is a staggering 66.5% less than in Sydney, Australia. If you are retaining a remote income, the Remote Wealth team ranks this as a highly strategic move for wealth accumulation.

Pro Tip:Since you'll be managing money across borders and currencies, we highly recommend setting up a borderless account like Wise (formerly TransferWise) before you move to avoid heavy bank exchange fees.Check out Wise

Reviewed by the Remote Wealth Editorial Team

Our cost of living data for Sydney, Australia and Koh Samui, Thailand is compiled using our rigorous verification methodology. We combine millions of data points from reliable sources to ensure you get the most accurate financial comparison for your relocation.

Read more about our team →

Salary Comparator

Find out exactly how much you need to earn in Koh Samui, Thailand to maintain your current lifestyle in Sydney, Australia.

USD

You need in Koh Samui, Thailand

1,317 USD

Geo-Arbitrage FIRE

Discover how moving to a cheaper city accelerates your Financial Independence and Retire Early (FIRE) timeline.

By moving from Sydney, Australia to Koh Samui, Thailand and investing the 69% cost of living difference, you could reach FIRE 10.0 years earlier.

Budget Simulator

Instantly adapt your Sydney, Australia budget to local Koh Samui, Thailand prices. We automatically adjust housing, groceries, and leisure categories.

Housing844 USD
Groceries69 USD
Utilities & Internet24 USD

Investment Planner

You save 1674 USD every month on rent alone by moving to Koh Samui, Thailand.

Investing this rent difference in an S&P 500 index fund could grow to ~281,232 USD in 10 years.