SELECT
    PF.PF_CODE AS 都道府県コード,
    PF.PF_NAME AS 都道府県名,
    PT2015.TOTAL_AMT AS 総人口2015年,
    PT2020.TOTAL_AMT AS 総人口2020年,
    ROUND(
        100
        * CAST (PT2020.TOTAL_AMT AS REAL)
        / CAST(PT2015.TOTAL_AMT AS REAL)
    ) AS 人口増加率
FROM
    POPU_TRANSITION AS PT2015
    JOIN
        PREFECTURE AS PF
        ON PF.PF_CODE = PT2015.PF_CODE
    JOIN
        POPU_TRANSITION AS PT2020
        ON PT2020.PF_CODE = PT2015.PF_CODE
        AND PT2020.SURVEY_YEAR = 2020
WHERE
    PT2015.SURVEY_YEAR = 2015
    AND  PT2020.TOTAL_AMT >= PT2015.TOTAL_AMT
ORDER BY
    人口増加率 DESC,
    PF.PF_CODE ASC;