2021年(nian)，吳江區實現(xian)(xian)地(di)區生產(chan)(chan)總(zong)值(zhi)2224.53億(yi)元(yuan)，按可比(bi)(bi)價(jia)計算(suan)，比(bi)(bi)上年(nian)同期增(zeng)長(chang)8.0%。其中，第(di)(di)一產(chan)(chan)業(ye)(ye)(ye)實現(xian)(xian)增(zeng)加值(zhi)37.34億(yi)元(yuan)，增(zeng)長(chang)1.5%；第(di)(di)二產(chan)(chan)業(ye)(ye)(ye)實現(xian)(xian)增(zeng)加值(zhi)1160.01億(yi)元(yuan)，增(zeng)長(chang)10.8%，其中工業(ye)(ye)(ye)實現(xian)(xian)增(zeng)加值(zhi)1072.71億(yi)元(yuan)，增(zeng)長(chang)11.8%；第(di)(di)三產(chan)(chan)業(ye)(ye)(ye)實現(xian)(xian)增(zeng)加值(zhi)1027.18億(yi)元(yuan)，增(zeng)長(chang)5.3%。三次(ci)產(chan)(chan)業(ye)(ye)(ye)結構(gou)比(bi)(bi)為1.7:52.1:46.2，第(di)(di)二產(chan)(chan)業(ye)(ye)(ye)占比(bi)(bi)較(jiao)去(qu)年(nian)提升(sheng)2.2個百分(fen)點。

2021年(nian)(nian)吳江區(qu)實(shi)(shi)現(xian)農(nong)林牧漁業(ye)總(zong)產(chan)值(zhi)63.42億(yi)元(yuan)(yuan)，按可(ke)比(bi)價計算，同比(bi)增(zeng)長2.4%。全(quan)(quan)年(nian)(nian)全(quan)(quan)部(bu)工業(ye)總(zong)產(chan)值(zhi)首超5000億(yi)元(yuan)(yuan)，其中，完(wan)成(cheng)規模(mo)以上工業(ye)總(zong)產(chan)值(zhi)4390.40億(yi)元(yuan)(yuan)，增(zeng)長19.0%。全(quan)(quan)區(qu)資(zi)質以上建(jian)筑(zhu)業(ye)企(qi)業(ye)172家（指具(ju)有資(zi)質等級的(de)總(zong)承包和專業(ye)承包建(jian)筑(zhu)業(ye)企(qi)業(ye)，不(bu)含勞(lao)務分包企(qi)業(ye)），全(quan)(quan)年(nian)(nian)完(wan)成(cheng)建(jian)筑(zhu)業(ye)總(zong)產(chan)值(zhi)162.83億(yi)元(yuan)(yuan)，增(zeng)長18.0%。全(quan)(quan)年(nian)(nian)完(wan)成(cheng)全(quan)(quan)社會固定資(zi)產(chan)投資(zi)646.07億(yi)元(yuan)(yuan)，增(zeng)長10.1%。全(quan)(quan)年(nian)(nian)實(shi)(shi)現(xian)房(fang)地產(chan)開(kai)發投資(zi)334.59億(yi)元(yuan)(yuan)，增(zeng)長5.8%。全(quan)(quan)年(nian)(nian)實(shi)(shi)現(xian)社會消費(fei)品零(ling)售總(zong)額720.12億(yi)元(yuan)(yuan)，增(zeng)長16.6%。全(quan)(quan)年(nian)(nian)實(shi)(shi)現(xian)進(jin)出口(kou)總(zong)額264.80億(yi)美元(yuan)(yuan)，增(zeng)長22.2%。全(quan)(quan)年(nian)(nian)實(shi)(shi)現(xian)旅(lv)游(you)總(zong)收入282.21億(yi)元(yuan)(yuan)，增(zeng)長71.8%，國內旅(lv)游(you)接(jie)待(dai)人(ren)數(shu)達2402.58萬人(ren)次(ci)，接(jie)待(dai)入境過夜旅(lv)游(you)人(ren)數(shu)0.67萬人(ren)次(ci)，旅(lv)游(you)外匯收入900萬美元(yuan)(yuan)。