The official languages of the ADB are English, French, and Spanish.

Hindi is the most widely used non-official language in the ADB, followed by Japanese, Korean, Indonesian, and Thai.

The ADB uses non-official languages to communicate with its member countries, promote regional cooperation, and facilitate knowledge sharing.

The United States is not a member of the ADB.

The ADB has 68 member countries.

The headquarters of the ADB is in Manila, Philippines.

The ADB was established in 1966.

Masatsugu Asakawa is the current President of the ADB.

The authorized capital of the ADB is $300 billion.

The total assets of the ADB is $700 billion.

The annual lending volume of the ADB is $30 billion.

The main focus of the ADB's lending operations is infrastructure development, social development, environmental protection, and private sector development.

The ADB does not provide loans for tourism.

India is the largest recipient of ADB loans.

The ADB's role in promoting regional cooperation includes providing loans and technical assistance to member countries, facilitating trade and investment between member countries, and promoting economic and social development in the region.