WB just collects government data and itself admits that Chinese numbers are unreliable - see the footnotes to their reports. They use a data quality indicator. And for China, data quality is rated poor.
Well paid research which is not available to every CCP bot says the true story:
The gap between Chinese statistics and reality seems to be growing faster than its economy.
www.nationalreview.com
From the report:
“New York-based Rhodium Group has studied China’s data for years and concludes it vastly overstates recent growth. Rhodium estimates China’s output shrank in 2022, when Covid lockdowns were
most widespread, instead of growing 3% as official data claim. It puts growth last year
at around 1.5% instead of the official 5.2%.”