Shanghai is about 23 times bigger than Taipei.

Taipei is approximately 272 sq km, while Shanghai is approximately 6,341 sq km, making Shanghai 2,233% larger than Taipei.
Tip: This to-scale comparison of Taipei vs. Shanghai uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.