SELECT PO2015.PF_CODE AS 都道府県コード
      ,PR.PF_NAME AS 都道府県名
      ,PO2015.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(PO2015.TOTAL_AMT AS REAL) * 100)) AS 人口増加率
FROM   POPU_TRANSITION PO2015
INNER JOIN PREFECTURE PR
        ON PO2015.PF_CODE = PR.PF_CODE
INNER JOIN POPU_TRANSITION PO2020
        ON PO2020.PF_CODE = PR.PF_CODE
       AND PO2020.SURVEY_YEAR = 2020
WHERE PO2015.SURVEY_YEAR = 2015
  AND PO2020.TOTAL_AMT >= PO2015.TOTAL_AMT
ORDER BY 人口増加率 DESC
        ,都道府県コード ASC