Lagos
1,172 km²
Osaka
225 km²
Nigeria
Japan
Area Comparison
Lagos is 5.2x larger than Osaka
Population Comparison
Lagos has 5.6x more people than Osaka
Lagos is significantly larger, covering 5.2 times the area of Osaka. Lagos spans 1,172 km² (453 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 947 km². You could fit Osaka inside Lagos approximately 5 times.
To put Lagos's size in perspective, its area of 1,172 km² is about 1.3x the size of Berlin. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
Lagos's footprint is roughly about 164,000 American football fields, 20 times the area of Manhattan, or 11 times the area of Paris — pick whichever unit feels intuitive. Osaka works out to about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park.
Lagos, or Lagos City, is a large metropolitan port city in southwestern Nigeria. As of November 2025, the size of the city's population has been estimated to be between 17 and 21 million residents, making Lagos the largest city in Nigeria, the most populous urban area on the African continent, and one of the fastest-growing megacities in the world.
Known as "Lasgidi", Lagos covers 1,172 km² with a population of 15.4 million. The city was established in 1472. Lagos is known for Victoria Island, Lekki Conservation Centre, Nike Art Gallery, among other attractions. The city's main transit system is the Lagos Rail (Blue & Red Lines).
Lagos is the most populous urban area on the African continent, with an estimated 17 to 21 million residents as of 2025.
Osaka is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third-most populous city in Japan, following the special wards of Tokyo and Yokohama. With an estimated population of 2,816,247 as of October 1, 2025 and a population density of about 12,505 people per square kilometer, it is the largest component of the Keihanshin Metropolitan Area, the second-largest metropolitan area in Japan and the 10th-largest urban…
Often called "Nation's Kitchen", Osaka has an area of 225 km² and is home to 2.8 million people. The city dates back to 645. Visitors come for Osaka Castle, Dotonbori district, Universal Studios Japan, and much more. Getting around is easy with the Osaka Metro.
Osaka is the third-most populous city in Japan, following the special wards of Tokyo and Yokohama.
Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 4.9x larger than greater Lagos at 2,706 km². The Lagos metro area is also more populous, with 21.0 million people compared to 19.3 million.
Lagos has a population density of 13,131 people per km² — an extremely dense urban environment. Osaka, with 12,222 people per km², is an extremely dense urban environment. Both cities have comparable density, though Lagos is slightly more compact.
This comparison spans continents — Lagos in Africa versus Osaka in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Lagos has a tropical savanna climate while Osaka experiences humid subtropical conditions. Winters differ dramatically: Lagos stays around 27°C while Osaka drops to 5°C. When it's noon in Osaka, it's 4:00 AM in Lagos — a 8-hour time difference.
Size Ratio
Osaka fits inside Lagos ~5 times
Time Difference
8 hours apart
History
Osaka is ~827 years older
Lagos covers 1,172 km². Cities with a similar urban footprint include San Antonio (1,209 km²), Rio de Janeiro (1,221 km²), Hong Kong (1,114 km²), Rome (1,285 km²), or Los Angeles (1,302 km²).
Osaka covers 225 km². Cities with a similar urban footprint include Amsterdam (219 km²), Boston (232 km²), Helsinki (214 km²), Kuala Lumpur (243 km²), or Buenos Aires (203 km²).
The straight-line distance from Lagos to Osaka is 13,221 km (8,215 miles), with an estimated flight time of ~16h 3m.
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