UN Secretary-General António Guterres warned in a letter to all 193 member states that the United Nations faces imminent financial collapse unless member states pay dues or reform rules. (washingtonpost.com) The U.N.’s 2026 regular budget is $3.45 billion, yet unpaid assessments and liquidity shortfalls left $1.57 billion overdue at the end of 2025. (apnews.com) The United States is the largest debtor, owing roughly $2.2 billion to the regular budget plus about $1.8 billion for peacekeeping. (washingtonpost.com) Guterres warned cash could be exhausted by July 2026 and criticised a rule forcing the U.N. to return unspent funds it never received immediately. (euronews.com)