The
Kuwaiti dinar (KWD) is generally ranked as the highest-valued currency by unit exchange rate against the US dollar in 2026.

The Bahraini dinar and Omani rial follow it. The exact exchange-rate figures vary over time, so it is better to treat the ranking as date-specific.
It's also worth noting that the highest unit value doesn't mean the currency is the most traded. The US dollar has far greater global FX market usage.
👉 See the complete top 10 list:
https://thecampusreview.com/geography/highest-currency-in-the-world-top-10-list/