Nairobi vs Osaka - City Size Comparison

Is Nairobi Bigger Than Osaka?

Yes — Nairobi is 3.1x larger than Osaka by area. Nairobi spans 696 km² (269 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 471 km². You could fit Osaka inside Nairobi approximately 3 times.

About Nairobi

Kenya's capital and East Africa's largest city. Known as "The Green City in the Sun", Nairobi covers 696 km² with a population of 4.7 million. The city was established in 1899. Nairobi is known for Nairobi National Park, Safari tourism, Karen Blixen Museum, among other attractions. The city's main transit system is the Nairobi Commuter Rail.

Nairobi is the only capital city in the world with a national park within its borders — you can see lions with skyscrapers in the background

About Osaka

Japan's third-largest city and a culinary capital. Often called "The Kitchen of Japan", Osaka has an area of 225 km² and is home to 2.8 million people. It was established in 645. Visitors come for Osaka Castle, Dotonbori district, Street food culture, and much more. Getting around is easy with the Osaka Metro.

Osaka residents spend more on food per capita than any other city in Japan

Metropolitan Area Comparison

Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 19.0x larger than greater Nairobi at 696 km². The Osaka metro area is also more populous, with 19.3 million people compared to 4.7 million.

Population Density

Nairobi has a population density of 6,796 people per km² — a densely populated city. Osaka, with 12,222 people per km², is an extremely dense urban environment. Osaka is noticeably denser, packing 1.8 times more people per square kilometer.

Climate & Time Zone

Nairobi has a subtropical highland climate while Osaka experiences humid subtropical conditions. When it's noon in Osaka, it's 6:00 AM in Nairobi — a 6-hour time difference.