《2023中國中小城市(shi)高質量(liang)發展指數(shu)研(yan)究》的研(yan)究對象(xiang)界定為(wei)：縣(xian)級市(shi)、縣(xian)以及(ji)空間結構相對獨立的市(shi)轄區，以及(ji)發展基礎較好、已具城市(shi)雛(chu)形(xing)或城市(shi)形(xing)態的建制鎮。其中，百強縣(xian)市(shi)為(wei)：縣(xian)級市(shi)、縣(xian)、自治縣(xian)、旗。

中小(xiao)城市綜合(he)實力指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)研究指(zhi)(zhi)(zhi)標包(bao)括經濟發(fa)展、創(chuang)新驅動、生(sheng)態環(huan)境、民(min)生(sheng)福祉、城鄉治理5個(ge)一(yi)級(ji)指(zhi)(zhi)(zhi)標，以及發(fa)展水平(ping)指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)、發(fa)展質量(liang)(liang)(liang)指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)、創(chuang)新投入(ru)指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)、污(wu)染治理指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)、環(huan)境質量(liang)(liang)(liang)指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)、生(sheng)活質量(liang)(liang)(liang)指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)、行(xing)政效(xiao)率指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)、社(she)會安全指(zhi)(zhi)(zhi)數(shu)(shu)(shu)(shu)(shu)等(deng)15個(ge)二(er)級(ji)指(zhi)(zhi)(zhi)標。