At the end of 1990 the UN had a budgetary deficit of $750 million because only 86 out of 159 member governments had fully met their commitments, leaving about $395 million dollars in arrears in the regular budget and $355 million on the peacekeeping budget.
Following the USA payment in 1993, there remained at total of $1.7 billion outstanding from all member countries, of which $536 million was for the regular budget and $1.2 billion In 1990 the USA owed $520 million in regular assessments to the UN, plus $150 million for peacekeeping costs. In 1993 the USA paid $533 million to meet more than half of its accumulated arrears, leaving $472 million to pay. By 1998 the back dues had grown to $1.3-billion.