Nikki Haley Source: Pacific Press/LightRocket via Getty Images

U.S. Ambassador Nikki Haley plans to take a close look at United Nations peacekeeping operations as part of a goal to reduce contributions to the international organization, according to two Security Council diplomats.

In her first week as U.S. envoy after winning Senate confirmation, Haley zeroed in on the world body’s 16 peacekeeping missions, which have been criticized for sexual abuse violations, corruptions and inefficiency, according to the diplomats, who asked not to be named discussing private meetings. The UN missions in South Sudan and the Democratic Republic of Congo, which cost $2.2 billion per year, are likely to face scrutiny, according to one of the diplomats.

The U.S. provides almost 30 percent of the $7.9 billion UN peacekeeping budget, more than the combined contributions of China, Japan and Germany, the next three top providers. At the end of 2016, almost 119,000 personnel, including more than 100,000 troops and police, were involved in peacekeeping operations worldwide. Nine of the 16 operations are in Africa,…