The Second Thai–Lao Friendship Bridge over the Mekong connects to Mukdahan Province in Thailand.

The annual per capita income of Kaysone Phomvihane City is US$2,041 (2018).

Its name was changed to Kaysone Phomvihane in 2005, while retaining its status as the provincial capital of Savannakhet Province.

In order to attain city status, a district or municipality must be financially self-sufficient and have a population of at least 60,000 persons.

The diurnal temperature variation seems to be greater during winter due to dry conditions.