SELECT
    PO.PF_CODE AS 都道府県コード,
    PF.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 PF
    ON  PF.PF_CODE = PO.PF_CODE
    INNER JOIN
        POPU_TRANSITION AS PO2020
    ON  PO2020.PF_CODE = PO.PF_CODE
    AND PO2020.SURVEY_YEAR = 2020
WHERE
    PO.SURVEY_YEAR = 2015
AND PO2020.TOTAL_AMT >= PO.TOTAL_AMT
ORDER BY
    人口増加率 DESC,
    都道府県コード ASC
;