Jakarta — Ibu Kota — The Big Durian

Quick facts

• Home to about 10.67 million people (BPS projection for 2026), 99.7% of them in the five mainland kota; the wider Jabodetabek metro area had nearly 42 million in 2025 (UN)
• 650.26 km² of land in the five mainland kota, not counting the 10.72 km² of islands in Kepulauan Seribu; 42 kecamatan and 261 kelurahan
• Still the national capital and officially DKI Jakarta: under Law 2/2024 it becomes Daerah Khusus Jakarta once a presidential decree moves the capital to Nusantara (IKN)
• City birthday: 22 June 1527, when the port of Sunda Kelapa was captured and renamed Jayakarta, so 2027 marks 500 years
• Indonesia's most densely populated province: about 16,100 people per km², and 21,700 in Jakarta Pusat (BPS, 2026)
• Produced 16.61% of Indonesia's GDP in 2025, more than any other province

Best time to visit

June–September (drier months)

Usually the least rainy stretch: Kemayoran recorded 72.7 mm over 11 rainy days in September 2025, though July 2025 still brought 301 mm, so carry an umbrella all year. Heat barely changes, with monthly averages of 28–30°C.

June–July (HUT Jakarta and Jakarta Fair)

The city celebrates its birthday on 22 June (the 499th in 2026). Jakarta Fair, the month-long expo at JIExpo Kemayoran, ran from 11 June to 12 July 2026 and is scheduled for 9 June–13 July 2027, the 500th-anniversary year.

December–February (peak rains, flood risk)

January is the wettest month: Kemayoran logged 538.6 mm over 18 days in January 2025. Downpours can flood low-lying streets and underpasses, so check BPBD water-level updates and allow extra travel time.

Tips

• Private cars face odd-even (ganjil-genap) plate rules on about 26 main roads, including Sudirman, Thamrin, Gatot Subroto and Rasuna Said, Mon–Fri 06:00–10:00 and 16:00–21:00 (not on weekends or public holidays); electric cars are exempt.
• Get a bank e-money card (e-money, Flazz, TapCash, Brizzi, JakCard) or a JakLingko card: it works on TransJakarta, MRT, LRT and KRL. On TransJakarta tap out as well as in, since the fare is taken at tap-out and the card needs at least Rp5,000.
• TransJakarta costs Rp2,000 if you tap in between 05:00 and 07:00 and Rp3,500 at other times; JakLingko Mikrotrans minibuses are free, but you still tap a card.
• Link your card in the JakLingko app and trips combining TransJakarta, MRT and LRT Jakarta are capped at Rp10,000 within three hours.
• In the rainy season check BPBD DKI Jakarta (bpbd.jakarta.go.id) for river-gate levels at Katulampa and Manggarai and BMKG weather warnings before travelling; the emergency number is 112.
• Soekarno–Hatta airport is in Kota Tangerang, outside Jakarta; the airport train from Manggarai costs up to Rp70,000, and Halim airport in East Jakarta is much closer to the centre.