2021年(nian)經涼山(shan)州統計局統一核算，全年(nian)實(shi)現(xian)(xian)地區生(sheng)產(chan)總值6304786萬(wan)(wan)元(yuan)，按可比(bi)價格計算，同比(bi)增(zeng)長(chang)6.6%。其(qi)中(zhong)：第(di)(di)一產(chan)業(ye)實(shi)現(xian)(xian)增(zeng)加值572629萬(wan)(wan)元(yuan)，增(zeng)長(chang)5.8%；第(di)(di)二產(chan)業(ye)實(shi)現(xian)(xian)增(zeng)加值2692563萬(wan)(wan)元(yuan)，增(zeng)長(chang)7.8%；第(di)(di)三(san)產(chan)業(ye)實(shi)現(xian)(xian)增(zeng)加值3039594萬(wan)(wan)元(yuan)，增(zeng)長(chang)5.7%。按常住人口(kou)計算，全市人均(jun)GDP達到65743元(yuan)。2021年(nian)三(san)次(ci)產(chan)業(ye)占GDP的比(bi)重為9.08%、42.71%和48.21 %。

2021年西昌市完成農林牧漁業總(zong)(zong)產值903016萬(wan)元(yuan)(yuan)，同(tong)比增(zeng)長6.2%。全(quan)市實現工業增(zeng)加值1893036萬(wan)元(yuan)(yuan)，按(an)可比價格計算，同(tong)比增(zeng)長9.2%。全(quan)市完成建筑業總(zong)(zong)產值同(tong)比增(zeng)長10.7%。全(quan)社會(hui)固定資產投資同(tong)比增(zeng)長12.9%。全(quan)年社會(hui)消費品零售總(zong)(zong)額3293975萬(wan)元(yuan)(yuan)，同(tong)比增(zeng)長12.6%。全(quan)市完成財政一般公共預算收入579296萬(wan)元(yuan)(yuan)，增(zeng)長5.25%。