As of May 2014, the strongest currency in the world is the Kuwaiti dinar. In relation to U.S. dollars, 1 Kuwaiti equals $2.847. Kuwait is located on the Arabian Peninsula, contains the fifth largest oil reserve in the world and is often ranked among the top ten richest countries.
The currency ranked second is the Bahrain dinar. 1 Bahrain equals $2.652. The Kingdom of Bahrain's primary business is in banking and tourism. The third strongest currency is the Omani rial. Its largest note is 50 rial, which is equal to $129.95. Other currencies include the British pound, the Jordanian dinar and the Swiss franc.