Sydney vs Perth
Perth comes out ahead overall, winning 2 of 7 criteria.
Summary
Perth edges out Sydney overall (7.3 vs 7.1), but the margin is thin enough that a single strong priority — like cost of living — could reasonably flip your personal decision the other way.
Quick answers
Safety: Sydney and Perth tie on this (8/10 each).
Climate: Sydney and Perth tie on this (8/10 each).
Overall, Perth scores higher (7.3/10 vs 7.1/10) across all seven criteria combined.
Cost of living: Perth (5/10 vs 3/10).
Perth — Perth scores higher once we weight toward households with kids prioritizing safety, healthcare and clean air (7.2 vs 7.4 for Sydney vs Perth), driven largely by safety.
Perth — Perth scores higher once we weight toward remote workers who need fast internet and an affordable, pleasant base (7.0 vs 7.3 for Sydney vs Perth), driven largely by cost of living.
Where each city wins
- +Public transport: notably better than Perth (7.0 vs 5.0)
- +Cost of living: notably better than Sydney (5.0 vs 3.0)
- +Environment & air quality: slightly better than Sydney (8.0 vs 7.0)
Which city fits your profile?
Perth scores higher once we weight toward remote workers who need fast internet and an affordable, pleasant base (7.0 vs 7.3 for Sydney vs Perth), driven largely by cost of living.
Perth scores higher once we weight toward independent workers balancing cost of living against healthcare access (6.8 vs 7.2 for Sydney vs Perth), driven largely by cost of living.
Perth scores higher once we weight toward households with kids prioritizing safety, healthcare and clean air (7.2 vs 7.4 for Sydney vs Perth), driven largely by safety.
Perth scores higher once we weight toward movers for whom affordability outweighs every other factor (6.4 vs 6.9 for Sydney vs Perth), driven largely by cost of living.
Sydney and Perth score within a rounding error of each other for people relocating somewhere unfamiliar who weigh personal safety above all, so this comparison won't settle it either way.
Perth scores higher once we weight toward retirees prioritizing healthcare, climate and a calm environment over nightlife or internet speed (7.0 vs 7.2 for Sydney vs Perth), driven largely by climate.
Perth scores higher once we weight toward students who need affordability, transit and a lively social scene (6.7 vs 6.9 for Sydney vs Perth), driven largely by cost of living.
Sydney and Perth score within a rounding error of each other for expatriates relocating for work who lean on safety, healthcare and internet to stay settled and connected, so this comparison won't settle it either way.
Perth scores higher once we weight toward founders and small business owners who need reliable connectivity and a livable base without big-city costs (7.1 vs 7.3 for Sydney vs Perth), driven largely by internet & connectivity.
Sydney and Perth score within a rounding error of each other for early-career movers who want nightlife and transit within budget, without yet prioritizing healthcare or climate, so this comparison won't settle it either way.
Which city should you choose?
Pick Perth instead if you're more of a digital nomad, freelancer, or young family.