Comparison
JP · Japan

Osaka metropolitan area

12,078,820 residents34.70°, 135.50°
CN · People's Republic of China

Shanghai

24,870,895 residents31.23°, 121.47°

Shanghai is about 2Ă— the size of Osaka metropolitan area by population.

01 · Basics

At a glance

Population
12,078,820
24,870,895
Metro populationno data
Area (km²)
4,291.37
6,341
Density (per km²)no data
Elevation (m)
—
no data
4
02 · Climate

Weather, month by month

Solid lines are monthly highs, dashed lines are lows (°C).
Osaka metropolitan area high low Shanghai high low
Osaka metropolitan area vs Shanghai monthly temperature-5°0°5°10°15°20°25°30°35°JFMAMJJASOND
Avg annual temp (°C)
—
no data
17.2
Annual rainfall (mm)lower is better
—
no data
1,419.1
Sunny days per yearno data
06 · Vibes

What locals say

Synthesized from upvoted comments on each city's subreddit.
Osaka metropolitan area

Osaka feels like a big, working city that is easier to move around in than Tokyo and a little less formal in tone. Daily life is built around dense neighborhoods, excellent rail connections, and a constant supply of cheap places to eat, drink, and shop. The city is lively and practical rather than polished: people tend to value convenience, value, and directness over image. For someone living in the Osaka metropolitan area, the appeal is the mix of urban energy and everyday affordability, with the tradeoff of crowds, humidity, and a few rougher edges in some districts.

Common complaints
  • summer heat and humidity4
  • crowding and commuter congestion4
  • limited space in central areas3
  • language barriers for newcomers3
  • less scenic / less polished than other big cities2
Common praises
  • excellent food and value5
  • easy transit and central location4
  • friendly, direct local culture4
  • good nightlife and casual socializing3
  • practical, everyday convenience3
Shanghai

Shanghai feels highly urban and convenient, but not always warm or easy for outsiders. Residents and visitors describe a city with cheap transit, strong food options, and impressive skyline districts, alongside real friction from language barriers, scammy dating scenes, smoky taxis, and a shrinking expat ecosystem. Day to day it can feel surprisingly calm in some places and times, with empty subways, uncrowded landmark areas, and very late-night mobility that makes the city feel usable around the clock. At the same time, people talk about a city that has changed fast: old neighborhoods, street life, and parts of the international social scene have thinned out, leaving a place that feels more polished, more local, and less carefree than before.

Common complaints
  • Scams and predatory social scenes5
  • Foreign-language friction4
  • Smoky or rough taxis / transport hassles4
  • Cooling expat and international business ecosystem3
  • Loss of old neighborhoods and street life3
Common praises
  • Extreme convenience and cheap transport6
  • Food variety and quality5
  • Visual drama and architecture5
  • Safety and walkability at odd hours4
  • City energy mixed with calm pockets4

“The subway ride is less than $1 and so as uber rides. Very strange considering sky high real estate prices and income level.”

r/Shanghai· 1548 votes

“Not as foreign tourist friendly. Cabs smell like smoke and drivers are angry. Literally had one yelling at me because my ride was priced cheaply. Be nicer to foreign visitors maybe?”

r/Shanghai· 1548 votes
07 · Culture

Food & nightlife

Osaka metropolitan area
Food

Osaka is widely associated with casual, affordable eating rather than fine dining alone. The food scene centers on everyday favorites like takoyaki, okonomiyaki, ramen, kushikatsu, and strong izakaya culture, with neighborhood shops often open late and priced for regular repeat visits. In practical terms, residents can eat well without planning much or spending a lot, and the city’s reputation for "kuidaore" captures how central food is to its identity. The metro area also has the scale to support specialized restaurants, department-store food halls, and a lot of regional variety packed into a relatively small area.

Nightlife

Nightlife in Osaka is energetic but usually informal, with a strong focus on drinking, chatting, and eating rather than glossy club culture. Areas like Namba, Umeda, and Shinsaibashi draw large crowds for bars, karaoke, standing drink spots, and late-night food, and many people socialize around after-work nomikai. Compared with Tokyo, the atmosphere is often described as more relaxed and more openly social, though the busiest districts can still feel packed and loud. For residents, the upside is that there is always somewhere to go; the downside is that the same convenience can make key nightlife areas congested and repetitive.

Shanghai
Food

The food scene comes across as broad, convenient, and very good if you know where to look. Posts mention cheap everyday meals, late-night snacks, and easy access to delivery, while others rave about more polished dining experiences near the Bund and in central districts. At the same time, Shanghai is not portrayed as a place where language barriers disappear: reading menus can be a problem, and some of the most satisfying food appears to come from local spots that are not especially tourist-friendly. Overall it sounds like a city where food is both a daily utility and a serious pleasure, ranging from humble street-adjacent eats to high-end, theatrical restaurant experiences.

Nightlife

Nightlife sounds lively but somewhat changed from its peak years. Long-time residents describe a club scene that used to run very late and feel exciting, even with periodic raids and tension, while newer posts are thinner on a big, open party culture and more focused on bars, meetups, and occasional live music. The city still has a reputation for being able to go out late, but the tone is less carefree and more cautious, with scams and overcharging showing up in the social scene. In practice, nightlife seems strongest in central areas and among people already plugged into local networks.

08 · Reality check

Weather vs. what locals say

Osaka metropolitan area
By the numbers

—

How locals feel

On paper, Osaka’s climate can look manageable, with winters that are usually not severe and a location that avoids the harsh cold of northern Japan. In lived experience, though, locals often focus on the summer: humid, sticky, and difficult to escape, especially in the city’s dense urban core. Rainy periods and typhoon season also shape the year, and the real complaint is less about dramatic weather than about how damp and tiring it can make everyday commuting. The general sentiment is that the weather is acceptable most of the year, but summer is a real test of patience.

Shanghai
By the numbers

—

How locals feel

People describe Shanghai’s weather as more oppressive than romantic: hot, humid summers, rain that can be nonstop, and frequent comments about how the conditions affect walking around and crowd levels. There is also appreciation for the city’s atmosphere after rain or at sunrise, when the light and emptier streets can make it feel beautiful. In other words, the weather is not praised as pleasant in a neutral, year-round sense, but it is often treated as something that sharpens the city’s moods and photography-friendly moments. The stats may say it is a major coastal metropolis, but locals and visitors seem to remember the humidity, storms, and seasonal discomfort first.

09 · Summary

In short

  • Shanghai is about 2Ă— the size of Osaka metropolitan area by population.
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