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South Korea
Singapore
Area Comparison
Seoul is 1.2x smaller than Singapore
Population Comparison
Seoul has 1.8x more people than Singapore
Yes — Singapore is 1.2x larger than Seoul by area. Singapore spans 733 km² (283 mi²) while Seoul covers 605 km² (234 mi²) — a difference of 128 km².
To put Seoul's size in perspective, its area of 605 km² is about 1.3x smaller than New York City. Meanwhile, Singapore at 733 km² is roughly the same size as New York City.
Capital of South Korea and a major tech hub. Known as "The Soul of Asia", Seoul covers 605 km² with a population of 9.8 million. The city was founded around 18 BC. Seoul is known for Gyeongbokgung Palace, Gangnam district, K-pop culture, among other attractions. The city's main transit system is the Seoul Metro.
Seoul's metro area contains nearly half of South Korea's entire population
A global financial center and city-state in Southeast Asia. Often called "The Lion City", Singapore has an area of 733 km² and is home to 5.5 million people. Its history stretches back to 1819. Visitors come for Marina Bay Sands, Gardens by the Bay, Changi Airport, and much more. Getting around is easy with the MRT Singapore.
Singapore is one of only three surviving city-states in the world
Seoul has a population density of 16,149 people per km² — an extremely dense urban environment. Singapore, with 7,435 people per km², is a densely populated city. Seoul is noticeably denser, packing 2.2 times more people per square kilometer.
Both cities are in Asia, but they represent different national approaches to urban development. Seoul (South Korea) and Singapore (Singapore) offer a fascinating regional contrast.
Seoul has a humid continental climate while Singapore experiences tropical rainforest conditions. Winters differ dramatically: Singapore stays around 27°C while Seoul drops to -3°C.
Density Gap
Seoul is 2.2x more densely populated
History
Seoul is ~1,837 years older
Want to explore more? Compare city sizes for any two cities worldwide.