
The tiny shaded part of each map represents half of the population.
Is Japan crowded? The answer really depends on where you go. On the one hand, Japan is the nation of comically packed rush hour commuter trains, but it’s also where you’ll find views like these.
Different parts of Japan have vastly different population densities, something that’s a result of both geographical and historical factors. The country’s mountainous topography has always limited where towns can be built, and during Japan’s protracted feudal era, restrictions on the flow of goods and people meant that resources clustered around the local warlord’s stronghold. Many of Japan’s present-day urban centers, including Tokyo, Osaka, Nagoya, and Hiroshima can trace their lineage back to a period of being a castle town, and even in the post-samurai age, they represent the greatest abundance of economic and educational opportunities.
To illustrate just how concentrated Japan’s population distribution is, Twitter users have taken to creating infographics that show a prefecture filled in with two colors, each representing half of the area’s residents. For example, Chiba Prefecture, Tokyo’s neighbor to the east, is home to some 6.2 million people, but half of them live just a stone’s throw away from the nation’s capital, in the area marked in red on the map below.
千葉県の人口2分割です pic.twitter.com/Wa254X585F
— みながれ (@Mina_akagi) November 25, 2016
North of Tokyo, you’ll find a pretty similar situation in Saitama Prefecture.
埼玉県を同じ人口で二分割するとこうなる
— LaTeX Glaceon(ラテグレ) (@latex_glaceon) November 25, 2016
っていうか、しゅうちゅうしすぎて、3分割になる pic.twitter.com/q5CGf676qT
Heading over to central Japan, Nara Prefecture has plenty of cool places to visit. Just about everyone wants to live at the north tip, though, in the prefectural capital of Nara City, which is linked by quick rail access to Osaka and Kyoto.
奈良県を、人口が(だいたい)等しくなるように2つに分割してみた pic.twitter.com/erX1EaYu7G
— らび (@ibaruyan) November 25, 2016
Another Osaka neighbor, Wakayama Prefecture, also has everyone wanting to find homes as close as possible to the border with the Kansai region’s largest city, located to Wakayama’s north.
https://twitter.com/ruta_q/status/802003291622080513Gifu Prefecture is seeing a huge influx of visitors coming to see the setting of some of anime hit Your Name’s most pivotal scenes, but most of the people who live there want to be situated close to Nagoya, across the prefectural line to the south in Aichi Prefecture.
https://twitter.com/ruta_q/status/802012993131155456Sometimes, though, a prefecture’s population gathers in its middle, like in Miyagi Prefecture, where capital city Sendai and neighboring municipality Natori together claim 50 percent of the prefectural population.
奈良県の人口2分割が話題になってるけど宮城県も大概だと思う pic.twitter.com/Gf25oXoL4X
— つくも (@kogasaLv96) November 25, 2016
And how does everything look when we zoom out to the national level? In the illustration below, those tiny blue areas represent half of Japan’s populace, with the scattered dark red spots accounting for an additional 25 percent, and the remaining quarter of the country’s residents spread out over the pink zones.
なんか人口二分割が流行ってるみたいなので全国版でやってみた。日本では青い部分に人口の半分が住んでいます。青い部分と濃い赤部分を合わせると人口の75%が住んでいます。青い面積は合わせると岩手県よりちょい広いくらいです。人口の集中っぷりが顕著ですね。 pic.twitter.com/dGMjn5tYwL
— Simon_Sin (@Simon_Sin) November 26, 2016
So really, most of Japan isn’t very crowded at all, as there are several points on the map where you’d have hardly any close neighbors at all. If you want to be near one of the big cities, though, well, let’s just say we hope you’re a people person, because you’re going to be dealing with a lot of them every day.
Source: IT Media, Twitter/@Simon_Sin
Top, insert image ©RocketNews24
Follow Casey on Twitter, where he feels like the population density in his part of Yokohama is just right.


Crazy huge crowd of otaku, rockers, and sports fans forms at Japanese train station【Photos】
The crazy huge crowds of Summer Comiket【Photos, videos】
Daily horde of commuters into Tokyo is larger than one of history’s fiercest conquering armies
Amazing castle photo ever shows why you shouldn’t skip this often-overlooked part of Japan
Japan’s craziest burger chain takes menchi katsu to new extreme levels
Starbucks Japan releases first-ever Hinamatsuri Girls’ Day Frappuccino
Japanese restaurant chain serves Dragon Ball donuts and Senzu Beans this spring
Drift ice in Japan is a disappearing winter miracle you need to see now
Japan Extreme Budget Travel! A trip from Tokyo to Izumo for just 30,000 yen [Part 2]
Tokyo street sweets: The must-snack treats of Nakano’s Refutei
Our team of five reporters try to turn themselves into Japanese heartthrob Kimutaku【Photos】
Beautiful blue apple jam is taking the Japanese internet’s breath away!
Which convenience store onigiri rice balls are the most popular? Survey reveals surprising results
Foo Fighters unveil an exclusive new Japanese sake
Highest Starbucks in Japan set to open this spring in the Tokyo sky
Tokyo Skytree turns pink for the cherry blossom season
Yakuzen ramen restaurant in Tokyo is very different to a yakuza ramen restaurant
Japan Extreme Budget Travel! A trip from Tokyo to Izumo for just 30,000 yen [Part 1]
Japan has only one airport named after a samurai, so let’s check out Kochi Ryoma【Photos】
Japanese drugstore sells onigiri at pre-stupid era prices, but how do they compare to 7-Eleven?
Burning through cash just to throw things away tops list of headaches when moving house in Japan
Starbucks Japan releases new sakura goods and drinkware for cherry blossom season 2026
Japan’s newest Shinkansen has no seats…or passengers [Video]
Foreigners accounting for over 80 percent of off-course skiers needing rescue in Japan’s Hokkaido
Super-salty pizza sends six kids to the hospital in Japan, linguistics blamed
Starbucks Japan unveils new sakura Frappuccino for cherry blossom season 2026
Foreign tourists in Japan will get free Shinkansen tickets to promote regional tourism
The 10 most annoying things foreign tourists do on Japanese trains, according to locals
Take a trip to Japan’s Dododo Land, the most irritating place on Earth
Naruto and Converse team up for new line of shinobi sneakers[Photos]
Is China’s don’t-go-to-Japan warning affecting the lines at a popular Tokyo gyukatsu restaurant?
Survey asks foreign tourists what bothered them in Japan, more than half gave same answer
Japan’s human washing machines will go on sale to general public, demos to be held in Tokyo
Starbucks Japan releases new drinkware and goods for Valentine’s Day
We deeply regret going into this tunnel on our walk in the mountains of Japan
Studio Ghibli releases Kodama forest spirits from Princess Mononoke to light up your home
Major Japanese hotel chain says reservations via overseas booking sites may not be valid
Put sesame oil in your coffee? Japanese maker says it’s the best way to start your day【Taste test】
No more using real katana for tourism activities, Japan’s National Police Agency says
Is this Japanese train crowded? Question divides the nation
Commuter chaos at Shibuya Station after glass window breaks on door of crowded Japanese train
What pandemic? Onsen towns, hiking trails and theme parks packed with crowds on four-day weekend
Amazing time-lapse-style video shows 150-year history of the growth of train stations in Japan
Idol draws such massive crowds at Tokyo college that police can’t guarantee safety【Video】
And now, the story of a smelly fart on a crowded Japanese commuter train
10 tweets showing just how crazy snow can make things in Tokyo
Massive blizzard creates crazy snow scenes in Sapporo【Photos, videos】
Infographic captures gamers’ frustration at DLC, but forgets some key points of video gaming past
Twitter shocked by photo seeming to show rose growing INSIDE tree in Japan (and the gross truth)