2021年經涼山州統計(ji)局(ju)統一(yi)核算，全(quan)年實(shi)現地區(qu)生產總值(zhi)6304786萬元(yuan)，按可(ke)比(bi)價格(ge)計(ji)算，同比(bi)增(zeng)(zeng)長(chang)(chang)6.6%。其中：第一(yi)產業實(shi)現增(zeng)(zeng)加值(zhi)572629萬元(yuan)，增(zeng)(zeng)長(chang)(chang)5.8%；第二(er)產業實(shi)現增(zeng)(zeng)加值(zhi)2692563萬元(yuan)，增(zeng)(zeng)長(chang)(chang)7.8%；第三產業實(shi)現增(zeng)(zeng)加值(zhi)3039594萬元(yuan)，增(zeng)(zeng)長(chang)(chang)5.7%。按常(chang)住人口計(ji)算，全(quan)市人均GDP達到65743元(yuan)。2021年三次產業占GDP的比(bi)重為9.08%、42.71%和48.21 %。

2021年西昌市完(wan)成農林牧(mu)漁業(ye)總(zong)產(chan)值903016萬(wan)(wan)元，同(tong)(tong)比(bi)(bi)增(zeng)(zeng)長(chang)6.2%。全(quan)(quan)市實現工(gong)業(ye)增(zeng)(zeng)加值1893036萬(wan)(wan)元，按(an)可比(bi)(bi)價格計(ji)算，同(tong)(tong)比(bi)(bi)增(zeng)(zeng)長(chang)9.2%。全(quan)(quan)市完(wan)成建(jian)筑業(ye)總(zong)產(chan)值同(tong)(tong)比(bi)(bi)增(zeng)(zeng)長(chang)10.7%。全(quan)(quan)社會(hui)固(gu)定資產(chan)投資同(tong)(tong)比(bi)(bi)增(zeng)(zeng)長(chang)12.9%。全(quan)(quan)年社會(hui)消費品零售總(zong)額3293975萬(wan)(wan)元，同(tong)(tong)比(bi)(bi)增(zeng)(zeng)長(chang)12.6%。全(quan)(quan)市完(wan)成財政一(yi)般公共預(yu)算收入(ru)579296萬(wan)(wan)元，增(zeng)(zeng)長(chang)5.25%。