It is the brand new pursuit of the 20th Party Congress to improve the multi-level social security system that covers all people, integrates urban and rural areas, is fair and uniform, safe and standardized, and is sustainable. Common prosperity is the essential requirement of socialism with Chinese characteristics and the fundamental task to fully build socialism with Chinese characteristics. Based on the survey of ethnic areas in Gansu, this paper constructs the criteria of high-quality livelihood security of multi-level social security system in ethnic areas under the goal of common prosperity, and measures the degree of security accurately, so as to help realize the common prosperity of ethnic areas and even the whole country.

Yilong Wang, Aihong He, Qianqian Shi, Chen Yang and Congcong Sun. Construction and Measurement of High Quality Livelihood Security Standards of Multi-level Social Security System in Ethnic Areas under the Goal of Common Prosperity: A Survey Based on Ethnic Areas in Gansu. Socio-Economic Statistics Research (2023), Vol. 4, Issue 1: 1-15. https://doi.org/10.38007/SESR.2023.040101.

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