Comparison
ID · Indonesia

Jabodetabek

31,760,000 residents-6.17°, 106.83°
CN · People's Republic of China

Nanjing

9,314,685 residents32.06°, 118.78°

Jabodetabek is much warmer than Nanjing; Jabodetabek is noticeably wetter than Nanjing.

01 · Basics

At a glance

Population
31,760,000
9,314,685
Metro populationno data
Area (km²)
no data
6,587.02
Density (per km²)no data
Elevation (m)
no data
15
02 · Climate

Weather, month by month

Solid lines are monthly highs, dashed lines are lows (°C).
Jabodetabek high low Nanjing high low
Jabodetabek vs Nanjing monthly temperature-5°10°15°20°25°30°35°JFMAMJJASOND
Avg annual temp (°C)
27.3
16.8
Annual rainfall (mm)lower is better
2,091.6
1,253.7leads
Sunny days per yearno data
06 · Vibes

What locals say

Synthesized from upvoted comments on each city's subreddit.
Jabodetabek

Jabodetabek is a huge, intertwined metro area where daily life is shaped by traffic, commuting, and the constant tradeoff between convenience and congestion. Living here usually means being close to jobs, schools, malls, and services, but also planning around long travel times and unpredictable jams. The upside is sheer urban variety: you can find almost any kind of food, housing, and retail somewhere in the sprawl, along with a wide range of incomes and neighborhoods. It feels practical and busy rather than picturesque, with a pace that is fast in business districts and slower, more local, in residential pockets.

Common complaints
  • Traffic and commuting5
  • Overcrowding and sprawl4
  • Flooding and drainage issues3
  • Pollution and heat3
  • Uneven infrastructure3
Common praises
  • Food variety5
  • Job and business access4
  • Malls and convenience4
  • Neighborhood diversity3
  • Public transport improvements3
Nanjing

Nanjing comes across as a big, historically important city that is still easy to move through if you know the metro and the main districts. Daily life seems to revolve around university neighborhoods, coffee shops, language exchanges, and practical errands rather than a huge foreigner scene. People mention good food, pleasant places to bike and wander, and a city that can feel welcoming if you plug into student or expat circles. At the same time, newcomers often say it can be harder to make English-speaking friends here than in some other Chinese cities, and summer heat is a real drag.

Common complaints
  • Hard to build an English-speaking social circle8
  • Summer heat2
  • Foreign-friendly nightlife is limited or scattered3
  • Short-term housing near campuses can be difficult2
  • Dealing with incidents requires evidence and local know-how1
Common praises
  • Friendly locals and openness to language exchange9
  • Strong university and student presence7
  • Good food and coffee spots6
  • Walkable, bike-friendly exploration4
  • Historical and scenic places5

“Go to secco on a Friday night.”

r/Nanjing· 3 votes

“Heyy I am an international student studying in Nanjing . It has been hard making friends who speak English. I would love to join u for a coffee”

r/Nanjing· 1 votes
07 · Culture

Food & nightlife

Jabodetabek
Food

The food scene is one of Jabodetabek’s biggest strengths: you can eat cheaply from street stalls, order from nearly any chain or delivery kitchen, or spend more on polished restaurants in malls and commercial districts. The range is broad rather than centrally concentrated, so what you get depends heavily on the neighborhood—some areas are famous for specific local dishes, while others are dominated by cafe culture, fast food, and mall dining. For everyday life, that means food is rarely a problem; the real question is whether your immediate area has the kind of warung, coffee shop, or late-night option you like.

Nightlife

Nightlife exists, but it is uneven and neighborhood-specific rather than citywide in a single obvious district. In the busier parts of Jakarta proper and some suburban commercial zones, you can find bars, karaoke, clubs, live music, and late-opening cafes, but many residents still socialize in malls, coffee shops, or neighborhood eateries instead of pursuing a big club scene. The overall vibe is more mixed and pragmatic than nightlife-first, with people often balancing work schedules, travel time, and traffic before deciding whether going out is worth it.

Nanjing
Food

The food scene in the Reddit sample feels practical, varied, and neighborhood-based rather than flashy. People ask for budget places, local Chinese food with beer, and even an Iranian restaurant, while one commenter singles out Commune’s Thai salted egg yolk wings as unusually good. Coffee and casual drinks also come up often, which suggests a city where eating out is part of everyday social life. The overall impression is that you can eat well, especially around universities and expat-friendly areas, but you may need local tips to find the best spots.

Nightlife

Nightlife seems modest but usable, with a few known bars and a small foreigner hangout network rather than a huge club scene. One commenter recommends Secco on a Friday night, and others ask about the go-to laowai bar or weekend events like BBQs and magic shows at Finnegans Wake. The vibe appears more after-work beer, live music, and social meetups than late-night spectacle. For many people, nightlife in Nanjing seems tied to meeting friends, language exchange, or a mixed local-international crowd.

08 · Reality check

Weather vs. what locals say

Jabodetabek
By the numbers

How locals feel

On paper, the weather looks like a year-round tropical city: hot, humid, and rainy. Locals usually describe it less as pleasantly tropical and more as oppressive heat, sticky afternoons, sudden downpours, and the way rain can instantly worsen traffic or flooding. The seasonality matters, but day-to-day life is defined more by whether it is raining now, how bad the humidity feels, and whether the roads will still be passable afterward. In practice, weather is not just a backdrop here; it actively shapes commute times, errands, and the mood of the city.

Nanjing
By the numbers

How locals feel

The weather sentiment is mixed but tilted negative in summer. The city can look beautiful in cherry blossom season, and people clearly enjoy outdoor exploring, biking, and photo walks, but one comment bluntly notes that July and August are not ideal because it gets too hot. That suggests locals and visitors appreciate the seasons, yet summer humidity and heat are memorable enough to affect travel planning. The vibe is that Nanjing’s weather is best enjoyed in spring and autumn, while midsummer is something to endure.

09 · Summary

In short

  • Jabodetabek is much warmer than Nanjing.
  • Jabodetabek is noticeably wetter than Nanjing.
  • Jabodetabek is about 3× the size of Nanjing by population.
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