Indonesian citizenship can be obtained in a number of instances, following approval by the relevant Indonesian authorities. A child born to at least one Indonesian parent automatically obtains Indonesian citizenship by descent.
A working foreigner may file an application for citizenship, prior to which the foreigner must have stayed in Indonesia for a minimum period of 5 years continuously or 10 years not continuously, while contributing to the Indonesian economy.
Indonesian citizenship may also be applied for on the basis of marriage. The marriage must be registered in the Civil Registration Office in Indonesia. Moreover, before obtaining Indonesian citizenship, the foreigner must have stayed in Indonesia for a minimum period of 5 years continuously or 10 years not continuously.
Foreigners may also submit a citizenship application, provided that they are willing to renounce their current citizenship/s, in the case of either having outstanding achievements which resulted in the progress of Indonesian society and the improvement of the reputation of Indonesia in general; or having made extraordinary contributions in the interests of establishing state sovereignty and progress in the Indonesian economy.
An Indonesian citizen who has lost Indonesian citizenship status can regain it by submitting an application to the minister. The application must be approved by the President of the Republic of Indonesia.
In Indonesia, dual citizenship is prohibited for adults older than 18 years of age and/or for married individuals, who must make a choice to keep one citizenship. In the event that an Indonesian citizen obtains citizenship of another country, the Indonesian citizen must report this event to the Indonesian Government and request revocation of the Indonesian citizenship.
Foreigners are only eligible to apply for Indonesian citizenship, provided that they are willing to renounce their current citizenship.