Economic Performance Summary - The economic performance of 31 provinces in mainland China for the first quarter has been officially released, with Guangdong province leading at a GDP of 33,525.51 billion yuan, showing a year-on-year increase of 4.1% [1][2] - Jiangsu province follows closely with a GDP of 33,088.6 billion yuan, reflecting a growth rate of 5.9% [2] - Shandong and Zhejiang provinces both exceeded 20,000 billion yuan in GDP, while Sichuan reached 15,246.92 billion yuan and Henan approached 15,000 billion yuan [2] GDP Calculation Discrepancies - The total GDP reported for the 31 provinces sums to 316,673.6 billion yuan, which is lower than the national GDP figure of 318,758 billion yuan, resulting in a discrepancy of 2,084.4 billion yuan [4] - The difference arises because provincial GDP calculations are based on "administrative territory," while national GDP includes economic activities in "economic territory," such as activities in international waters and other regions not accounted for at the provincial level [6][10] Centralized Economic Activities - Centralized economic activities, including those from national institutions, contribute to the national GDP but may not be easily allocated to specific provinces, ensuring a more accurate representation of the overall economic output [10][12] - The shift towards a more standardized approach in GDP calculation aligns with international practices, moving away from previous methods that often resulted in inflated provincial GDP figures [12]