Istanbul vs Sydney
How to read the comparison chart
The grouped bars score each city 0–100 on cost, climate and safety — taller is better. Istanbul leads on any axis where its bar is higher, Sydney where its is. The cost bar uses a higher-is-cheaper scale, so Istanbul's taller cost bar reflects its lower cost of living, not a higher price.
| Axis | Istanbul | Sydney |
|---|---|---|
| Livability | 62 | 53 |
| Cost (higher=cheaper) | 38 | 5 |
| Climate | 100 | 100 |
| Safety | 54 | 61 |
| Summer °C | 23.3 | 22.6 |
| Winter °C | 5.8 | 12.4 |
| Top disaster risk | wildfire | storms (hurricane/cyclone) |
Istanbul vs Sydney: the short answer
Istanbul comes out ahead on overall livability (62/100), clearly above Sydney (53/100). The two cities diverge most on cost of living. On affordability Istanbul is the cheaper base — a wide gap on our cost index (Istanbul 38 vs Sydney 5, where a higher score means a lower cost of living, normalised from World Bank price levels). For climate, Istanbul runs warmer in summer (about 23.3°C peak vs 22.6°C in Sydney), while winter lows sit near 5.8°C in Istanbul and 12.4°C in Sydney. On natural-disaster exposure Sydney is the safer choice (safety 61/100); the dominant modelled hazard is wildfire for Istanbul and storms (hurricane/cyclone) for Sydney.
Which city should you choose?
- On a tight budget → Istanbul — lower everyday costs..
- You want warmth → Istanbul — hotter summers.
- Safety is the priority → Sydney — lower disaster risk.
- Best all-rounder → Istanbul — highest overall livability.
Data & methodology
Cost scores are normalised from World Bank price-level data. Climate figures (summer highs, winter lows) are drawn from 1991–2020 climate normals. Disaster-safety blends USGS earthquake history (magnitude 4.5+ within 300 km since 1980), tropical-cyclone basin position, flood/elevation exposure and Köppen climate zone. The livability score is the weighted composite of cost, climate and safety. All figures are planning indicators for 2026, not guarantees — verify specifics before relocating.
FAQ
Is Istanbul or Sydney better to live in?
Istanbul scores higher overall — 62 vs 53 on our 0–100 livability index, which weights cost, climate and safety.
Which is cheaper, Istanbul or Sydney?
Istanbul has the lower cost of living (cost index 38 vs 5; higher = cheaper, from World Bank price levels).
Which is warmer, Istanbul or Sydney?
Istanbul — summer highs reach about 23.3°C versus 22.6°C in Sydney.
Which is safer from natural disasters, Istanbul or Sydney?
Sydney (disaster-safety 61/100). Main hazard: wildfire in Istanbul, storms (hurricane/cyclone) in Sydney.
What is the main natural-disaster risk in Istanbul?
wildfire is the dominant modelled hazard for Istanbul on our risk index.
How is the Istanbul vs Sydney comparison calculated?
Cost comes from World Bank price levels, climate from 1991–2020 normals, and disaster risk from USGS earthquake data, cyclone-basin position and flood exposure; livability is their weighted composite.