Perth logs 288 sunny days a year to Sydney's 246 — Perth wins by 42. Perth and Sydney match on outdoor-dinner months (2 vs 2).

Perth runs about $2,737/mo for a balanced lifestyle against Sydney's $3,641/mo — Perth comes in $904 cheaper each month, roughly 33% less.

On mobility, Sydney scores 2.8 vs Perth's 2.0 (0–5 scale), with the biggest gap on public transit. Perth still holds an edge on car efficiency.

Sydney's culture score of 4.0 sits well above Perth's 3.3, with the biggest gap on theatre & performing arts.

Perth and Sydney score neck-and-neck on nature & outdoors (4.5 vs 4.7, 0–5 scale).

Perth's safety score is ~1.2× Sydney's — in the upper band, while Sydney lands in the upper band, with the biggest gap on flooding safety.

Sydney's career score of 4.2 sits well above Perth's 3.1, with the biggest gap on startup ecosystem.

Sydney's social & community score is ~1.4× Perth's — in the upper band, while Perth lands in the middle of the scale, with the biggest gap on urban energy.

On food & dining, Sydney scores 4.6 vs Perth's 3.2 (0–5 scale), with the biggest gap on food delivery.

On family, Sydney scores 4.1 vs Perth's 3.3 (0–5 scale), with the biggest gap on gym/fitness quality.

On healthcare, Sydney scores 3.7 vs Perth's 2.7 (0–5 scale), with the biggest gap on public healthcare quality.

Perth averages 5.9 µg/m³ (good) PM2.5 annually versus Sydney's 5.6 µg/m³ (good) — Sydney breathes ~5% cleaner air (0.3 µg/m³ lower).

Who Thrives Here