The current representatives are: The city forms most of the "Miyakojima constituency" (along with Tarama island) and elects two members to the Okinawa Prefectural Assembly.

[9] Number of members by formal party affiliation: The city of Miyakojima is served by two airports.

[citation needed] Agriculture and livestock are the core financial industries in Miyakojima, with the main exports consisting of sugar cane, tobacco, cattle, and mango.

Fisheries and seaweed farms, producing species such as mozuku and sea lettuce, can be found in and around areas like Ikemajima and Irabujima.

[11] Since 2016 cruises have been a significant catalyst to Miyakojima's tourism industry, notably megaships servicing international tourists.

[12][13] Efforts to introduce space travel have also been announced, as PD Aerospace proposes to create a spaceport at Shimojijima airport and begin flights in 2025.

[14] The islands are popular tourist destinations because of the clear blue sea and white beaches.

There are six breweries on the islands and a chemical plant that converts sugar cane into ethanol.

Precipitation is abundant throughout the year; August is the wettest month, and January and July are the driest.

In 2008, the city announced the first "Declaration of Eco Island Miyakojima" with a goal to encourage industrial development and environmental conservation, notably of ground water sources and coral reefs.

A second version of the Declaration of Eco Island Miyakojima was introduced under the slogan "Toward the Future 1,000 Years From Now" in 2018, with an action plan released in 2019.

[21] This updated version maintains similar goals with some added initiatives such as the eradication of foreign animal species, namely peacocks, and the reduction of household waste discharge.

[22] Under this second declaration, a greater emphasis has been placed on the promotion of these environmental initiatives through actions such as the establishment of an Eco Island Miyakojima brand, the creation of a contests, and the integration of environmental sustainability education into local public schools.

[citation needed] Miyakojima City hosts one hundred and twenty-two designated or registered cultural properties and monuments, at the national, prefectural or municipal level.