The UN is a diplomatic structure that exists to give state’s representatives a place to gather and talk. It’s not a world government. If it had been created with the intention of being one, no one would have signed on.
The UN budget for 2025 was $3.7 billion.
ungeneva.org/…/general-assembly-approves-372-bill…
For comparison, global chewing gum sales in 2025 were $48.68 billion