President Lee Jae Myung's approval rating slipped 3 percentage points to 64 percent this week, with concerns over "excessive" welfare policies cited as a key factor for the decline, a poll showed Friday. The survey, conducted by Gallup Korea from Tuesday through Thursday on 1,002 people aged 18 and older, found 64 percent rated Lee's performance positively. Diplomacy and economic policy tied as the leading reasons for the positive assessments, each at 17 percent. Negative assessments rose 1 perc