Comparison
CN ¡ People's Republic of China

Chengdu

20,937,757 residents30.66°, 104.06°
GB ¡ United Kingdom

Greater London Urban Area

9,787,426 residents51.51°, -0.13°

Chengdu is about 2× the size of Greater London Urban Area by population.

01 ¡ Basics

At a glance

Population
20,937,757
9,787,426
Metro populationno data
Area (km²)
14,378
1,737.9
Density (per km²)no data
Elevation (m)
500
—
no data
02 ¡ Climate

Weather, month by month

Solid lines are monthly highs, dashed lines are lows (°C).
Chengdu high low Greater London Urban Area high low
Chengdu vs Greater London Urban Area monthly temperature0°5°10°15°20°25°30°35°JFMAMJJASOND
Avg annual temp (°C)
17.8
—
no data
Annual rainfall (mm)lower is better
1,050.2
—
no data
Sunny days per yearno data
06 ¡ Vibes

What locals say

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

Chengdu comes across as a huge, food-first city that still feels surprisingly social and laid-back in the day-to-day. People talk about it as a place where you can spend hours eating, wandering parks, browsing markets, and meeting friends over tea or drinks rather than rushing from one landmark to another. It has a visible foreigner/expat scene, plenty of student energy, and lots of small-interest communities from skate parks to D&D to volunteering, but finding your people can still take some effort. The tradeoff is that some everyday life gets filtered through a big-city Chinese system—apps, WeChat groups, Didi, and navigating neighborhoods—while the city’s size and humidity can make the weather and logistics feel more tiring than the travel brochures suggest.

Common complaints
  • Hard to make friends / social circles feel segmented5
  • Nightlife skews young or hard to navigate4
  • Weather and seasonal discomfort4
  • Food options for non-Sichuan tastes can require effort3
  • Navigation / airport / arrival friction3
Common praises
  • Food is the main event8
  • Easy to find hobbies and niche communities5
  • Strong expat/foreigner ecosystem5
  • Parks, slow wandering, and urban leisure4
  • Shopping and markets3

“We’re gonna visit Chengdu soon and are huge fans of Sichuan cuisine. We would love to get some recommendations for authentic hot pot places (preferably Chongqing version) or other restaurants or foods you’d recommend us to try.”

r/Chengdu¡ 8 votes

“Have been in Chengdu for a couple of days now and really loving it. I’ve been out and about by the bridge and headed to Lan Kwai Fong afterwards wanting to dance - but literally everyone around there was sub 20 if I was guessing.”

r/Chengdu¡ 11 votes
Greater London Urban Area

Greater London feels like a dense, high-opportunity city where neighborhoods can feel almost like separate towns, each with its own rhythm, price level, and social mix. Day-to-day life is convenient if you can afford it: the transport network, late opening hours, and sheer number of services make it easy to get by without a car, but space is tight and rents are the constant pressure point. The city can feel impersonal at first, yet many people settle into a pattern of local cafĂŠs, parks, markets, and commuting routines that make it feel manageable rather than glamorous. It is lively, diverse, and always busy, but the tradeoff is cost, crowds, and the need to be patient with delays, bureaucracy, and the pace of urban life.

Common complaints
  • Housing costs5
  • Crowding and commuting4
  • Weather gloom3
  • Expense of daily life4
  • Impersonal pace2
Common praises
  • Transport access5
  • Neighborhood variety5
  • Food and diversity5
  • Parks and green space4
  • Career and cultural opportunities4
07 ¡ Culture

Food & nightlife

Chengdu
Food

The food scene is the clearest daily-life superpower here. Redditors talk about stuffing themselves with Sichuan food, hunting for hot pot, street food, and neighborhood restaurants, and using specific districts like Yulin as food bases. At the same time, there is enough variety that people also ask about coffee, western food, vegetarian options, Cantonese food, pizza, and non-Sichuan restaurants, so the city is not just one-note mala. Overall, Chengdu reads as a city where food is both a civic identity and a practical social activity: people meet to eat, wander to eat, and choose neighborhoods partly by where they can eat well.

Nightlife

Nightlife seems active, but it is not described as a single obvious scene. People ask where to go for bars, hip-hop, R&B clubs, expat-friendly clubs, and age-appropriate nightlife, which suggests the options are there but spread across different pockets and can be hard to decode without local help. Lan Kwai Fong comes up as a known zone, yet one visitor found it full of very young crowds. The overall vibe is more ‘find the right bar, club, or live house for your subgroup’ than a universal pub culture.

Greater London Urban Area
Food

The food scene is one of London’s strongest everyday advantages: you can find excellent curry houses, Thai, Turkish, West African, Caribbean, Middle Eastern, Chinese, Japanese, Italian, and modern British spots across the city, often within a few stops of each other. Casual eating is especially strong, with takeaways, sandwich shops, market stalls, bakeries, and pub food forming the backbone of routine meals. The main downside is price, since even fairly ordinary meals can be expensive, and the best-known places often require booking or a wait. Still, for variety and access, the city is hard to beat, and many residents build their week around local favorites rather than destination dining.

Nightlife

Nightlife is broad rather than centered on one type of scene: there are pub crawls, late bars, club nights, warehouse events, comedy rooms, music venues, and neighborhood wine bars, depending on where you live. Some areas are energetic and noisy well past midnight, while others become quiet quickly, so the experience is highly local. Transport shapes the culture because people often plan around last trains and night buses, and a night out can feel more like a logistical exercise than in smaller cities. The upside is choice; the downside is that a fun night can get expensive fast.

08 ¡ Reality check

Weather vs. what locals say

Chengdu
By the numbers

—

How locals feel

The weather sentiment is mixed-to-negative on comfort, even when people are not talking about extremes. In the posts, winter is often framed as something people plan around, with visitors checking whether 6°C-ish days will be a dealbreaker, while one expat says they have been getting repeated respiratory infections after moving from Wisconsin. That said, the concern is more about dampness, seasonal chill, and general body adaptation than about dramatic cold. So the stats may look manageable on paper, but locals and long-term visitors seem to treat the climate as something that can wear on you over time.

Greater London Urban Area
By the numbers

—

How locals feel

Statistically, London’s weather is milder and less extreme than many people expect, with few truly harsh winters and summers that are usually not oppressive. Locals, though, often describe it as grey, damp, and disappointingly overcast, with drizzle and low light making the city feel colder than the numbers suggest. The complaint is less about dramatic storms and more about the accumulation of cloudy days, short winter light, and the feeling that rain is always possible. When the sun does come out, people seem to notice immediately, which says a lot about how they experience the climate in practice.

09 ¡ Summary

In short

  • Chengdu is about 2× the size of Greater London Urban Area by population.
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