List of purpose-built national capitals

Built

Proposed or under construction

• Welthauptstadt Germania was the proposed renewal of Berlin, as a planned "world capital", although only a small portion was built between 1937 and 1943.
• Indonesia has mulled the relocation of its capital from Jakarta to a proposed new site. In 26 August 2019, President Joko Widodo announced that the future Indonesian capital will be carved from Penajam North Paser and Kutai Kartanegara regencies in East Kalimantan province, and its construction will commence in 2020.
• South Korea began construction of its new capital city, Sejong, in 2007, with the first inhabitants arriving in 2012. Complete relocation of the capital is expected in 2030.
• In February 2011, the Autonomous Government of Southern Sudan adopted a resolution to study moving the capital of the new Republic of South Sudan that was to be created in July of that year to a new, planned city. In September 2011, the government of South Sudan approved a project to build a new capital at Ramciel in Lakes state; it is projected that the project will take at least five years.
• Ciudad de la Paz is under construction and is expected to replace Malabo as Equatorial Guinea's capital city.
• Little Bay is a town under construction in Montserrat, intended to replace the previous capital, Plymouth, which was destroyed by the eruption of the Soufrière Hills volcano in 1997.
• In March 2015, Egypt proposed building a New Administrative Capital, proposed to be named Wedian. It is now under construction and falls east to the present capital Cairo. The city is projected to host more than 40 million people by 2050.