* India: Nepal and India share a long history and a close cultural, religious, and economic relationship. India is Nepal's largest trading partner and a major source of foreign investment.
* China: Nepal and China established diplomatic relations in 1955 and have since maintained a friendly and cooperative relationship. China is Nepal's second-largest trading partner and a major source of foreign aid.
* United States: Nepal and the United States have enjoyed friendly relations since the establishment of diplomatic ties in 1947. The United States is a major provider of development assistance to Nepal and a source of foreign investment.
* United Kingdom: Nepal and the United Kingdom have a long history of relations dating back to the British colonial era. The UK is a major provider of development assistance to Nepal and a source of foreign investment.
* Japan: Nepal and Japan established diplomatic relations in 1956 and have since maintained a friendly and cooperative relationship. Japan is a major provider of development assistance to Nepal and a source of foreign investment.
* Germany: Nepal and Germany established diplomatic relations in 1957 and have since maintained a friendly and cooperative relationship. Germany is a major provider of development assistance to Nepal and a source of foreign investment.
* France: Nepal and France established diplomatic relations in 1949 and have since maintained a friendly and cooperative relationship. France is a major provider of development assistance to Nepal and a source of foreign investment.
* Russia: Nepal and Russia established diplomatic relations in 1956 and have since maintained a friendly and cooperative relationship. Russia is a major provider of military assistance to Nepal and a source of foreign investment.
* South Korea: Nepal and South Korea established diplomatic relations in 1974 and have since maintained a friendly and cooperative relationship. South Korea is a major provider of development assistance to Nepal and a source of foreign investment.
* Australia: Nepal and Australia established diplomatic relations in 1960 and have since maintained a friendly and cooperative relationship. Australia is a major provider of development assistance to Nepal and a source of foreign investment.