SEOUL, June 30 (Xinhua) -- South Korean President Lee Jae-myung's approval rating fell 0.6 percentage points over the week to 72.8 percent last week, a weekly poll showed Monday.

The negative assessment on Lee's conduct of state affairs rose 0.6 percentage points to 24.2 percent, according to computer assisted telephone interviewing (CATI) by local pollster Flower Research.

The ruling liberal Democratic Party's approval score recorded this year's high of 56.4 percent, 32.9 percentage points higher than the conservative opposition People Power Party's 23.5 percent.

Support rate for both the minor left-leaning Rebuilding Korea Party and the minor rightist New Reform Party logged 3.7 percent last week.

The pollster's separate survey of automated response system (ARS) showed that Lee's approval rating increased 2.1 percentage points to 71.2 percent last week compared to the previous week.

Both the CATI and the ARS surveyed 1,008 voters from Friday to Saturday. They had plus and minus 3.1 percentage points in margin of error with a 95-percent confidence level. Enditem