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South Korea August inflation +3.1% y/y, weaker than expected

Created at 1 Sep · 11:12 PM4 sources↑ Market-relevant3 events
IN SHORT

South Korea's consumer inflation rose 3.1% year-on-year in August, below the 3.2% forecast. Elevated oil prices and a one-off factor from mobile service fees drove the increase, while core inflation also ticked up.

Key Numbers

3.1%South Korea August inflation y/y
3.2%August inflation forecast
2.8%South Korea July inflation y/y
14.2%August oil price increase y/y
0.54percentage point contribution of oil prices to August inflation
19.6%August diesel price rise y/y
11.5%August gasoline price rise y/y
3.4%August core inflation y/y
3.7%August industrial product price rise y/y
2.6%August agricultural product price fall y/y
3.7%August service sector price rise y/y
0.4%August electricity, gas, water price rise y/y

Who's Involved

Ministry of Data and Statistics
South Korean government body that released inflation data
SK Telecom Co.
Mobile carrier that offered large discounts last year
South Korea August inflation +3.1% y/y, weaker than expected

↳ Why This Matters

The inflation data will influence future monetary policy decisions by the Bank of Korea, as the central bank balances price stability with economic growth concerns.

Key facts

  • South Korea's consumer prices increased 3.1% year-on-year in August.
  • The August inflation rate was lower than the 3.2% forecast.
  • Oil prices rose 14.2% year-on-year, contributing significantly to the inflation.
  • Mobile phone service charges increased by 26.7% due to a low base effect.
  • Core inflation, excluding food and energy, rose 3.4% year-on-year.

South Korea's consumer prices rose 3.1% in August compared to the previous year, a figure that fell short of the 3.2% forecast. This increase was primarily driven by elevated oil prices, with diesel and gasoline prices seeing significant year-on-year jumps. Additionally, mobile service subscription charges contributed to the rise, influenced by a low base effect from substantial discounts offered in the prior year following a data breach. The August inflation rate marked an acceleration from July's 2.8% year-on-year increase. Oil prices, a key import for the energy-reliant nation, climbed 14.2% year-on-year, contributing 0.54 percentage points to the overall consumer price growth. Diesel prices saw a 19.6% increase, and gasoline prices advanced by 11.5%. Core inflation, which excludes volatile food and energy prices, also showed an upward trend, rising 3.4% year-on-year. This was the highest level recorded since May 2023. Prices for industrial products increased by 3.7% year-on-year, while prices for agricultural, livestock, and fishery products decreased by 2.6%. The service sector experienced a 3.7% price increase, with notable rises in insurance premiums and overseas package tour prices.

Frequently asked questions

South Korea's consumer prices rose 3.1% year-on-year in August.

No, the 3.1% rate was weaker than the 3.2% forecast.

Elevated oil prices (diesel and gasoline) and higher mobile service subscription charges were the primary drivers.

Core inflation, excluding food and energy, increased by 3.4% year-on-year, reaching its highest level since May 2023.

What Happens Next

01Future monetary policy decisions by the Bank of Korea will be influenced by inflation trends.
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How It Developed

South Korea's August inflation rose 3.1% year-on-year, below the 3.2% forecast.
Elevated oil prices, specifically diesel and gasoline, led August's 3.1% consumer price increase.
Mobile subscription fees, driven by a low-base effect from prior year discounts, also contributed to August inflation.
South Korea's consumer inflation quickened to 3.1% in August from a year earlier, driven by a one-off factor of low-base effects from mobile service fees.
Without the mobile service fee effect, inflation would have been weaker at 2.5%, with expectations for it to ease this month.

Sources

T1
South Korea August inflation +3.1% y/y, weaker than expectedReuters
T1
Consumer prices up 3.1 pct in Aug. amid high oil pricesYonhap News Agency
T1
Consumer prices up 3.1 pct in Aug. on fuel, mobile subscription feesYonhap News Agency
T1
South Korea inflation quickens on one-off factor, still lower than expectedPiQSuite
T2
Korea Inflation Drops Below Estimates But Pressure Persistsbloomberg.com
T2
Ministry of Finance and Economyenglish.moef.go.kr
T2

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