SELECT PO.PF_CODE AS 都道府県コード,
PR.PF_NAME AS 都道府県名,
PO.TOTAL_AMT AS 総人口2015年,
PO2020.TOTAL_AMT AS 総人口2020年,
ROUND(CAST(PO2020.TOTAL_AMT AS REAL) /CAST(PO.TOTAL_AMT AS REAL)*100) AS 人口増加率
FROM POPU_TRANSITION AS PO 
INNER JOIN PREFECTURE AS PR
ON PO.PF_CODE = PR.PF_CODE
AND PO.SURVEY_YEAR = 2015
INNER JOIN POPU_TRANSITION AS PO2020
ON PO2020.PF_CODE = PO.PF_CODE
AND PO2020.SURVEY_YEAR = 2020
WHERE PO2020.TOTAL_AMT >= PO.TOTAL_AMT
ORDER BY 人口増加率 DESC,
都道府県コード;