2021年(nian)，吳江區(qu)實現(xian)(xian)地區(qu)生(sheng)產(chan)(chan)總值(zhi)(zhi)2224.53億(yi)(yi)元，按可比(bi)價計算，比(bi)上年(nian)同期(qi)增(zeng)長(chang)(chang)(chang)8.0%。其中，第(di)(di)一產(chan)(chan)業(ye)(ye)(ye)實現(xian)(xian)增(zeng)加(jia)值(zhi)(zhi)37.34億(yi)(yi)元，增(zeng)長(chang)(chang)(chang)1.5%；第(di)(di)二產(chan)(chan)業(ye)(ye)(ye)實現(xian)(xian)增(zeng)加(jia)值(zhi)(zhi)1160.01億(yi)(yi)元，增(zeng)長(chang)(chang)(chang)10.8%，其中工(gong)業(ye)(ye)(ye)實現(xian)(xian)增(zeng)加(jia)值(zhi)(zhi)1072.71億(yi)(yi)元，增(zeng)長(chang)(chang)(chang)11.8%；第(di)(di)三(san)產(chan)(chan)業(ye)(ye)(ye)實現(xian)(xian)增(zeng)加(jia)值(zhi)(zhi)1027.18億(yi)(yi)元，增(zeng)長(chang)(chang)(chang)5.3%。三(san)次產(chan)(chan)業(ye)(ye)(ye)結(jie)構比(bi)為1.7:52.1:46.2，第(di)(di)二產(chan)(chan)業(ye)(ye)(ye)占比(bi)較(jiao)去年(nian)提升2.2個(ge)百分點。

2021年(nian)吳江區實現(xian)農林(lin)牧漁業總(zong)(zong)產值63.42億(yi)(yi)元(yuan)，按可比價計算，同比增(zeng)長2.4%。全(quan)(quan)(quan)年(nian)全(quan)(quan)(quan)部工(gong)業總(zong)(zong)產值首超5000億(yi)(yi)元(yuan)，其中，完(wan)(wan)(wan)成規模以上工(gong)業總(zong)(zong)產值4390.40億(yi)(yi)元(yuan)，增(zeng)長19.0%。全(quan)(quan)(quan)區資(zi)質以上建(jian)筑業企業172家（指具有資(zi)質等級的(de)總(zong)(zong)承(cheng)包(bao)和專業承(cheng)包(bao)建(jian)筑業企業，不(bu)含勞務分包(bao)企業），全(quan)(quan)(quan)年(nian)完(wan)(wan)(wan)成建(jian)筑業總(zong)(zong)產值162.83億(yi)(yi)元(yuan)，增(zeng)長18.0%。全(quan)(quan)(quan)年(nian)完(wan)(wan)(wan)成全(quan)(quan)(quan)社(she)會(hui)(hui)固(gu)定資(zi)產投資(zi)646.07億(yi)(yi)元(yuan)，增(zeng)長10.1%。全(quan)(quan)(quan)年(nian)實現(xian)房地產開發(fa)投資(zi)334.59億(yi)(yi)元(yuan)，增(zeng)長5.8%。全(quan)(quan)(quan)年(nian)實現(xian)社(she)會(hui)(hui)消費品零售總(zong)(zong)額720.12億(yi)(yi)元(yuan)，增(zeng)長16.6%。全(quan)(quan)(quan)年(nian)實現(xian)進出口總(zong)(zong)額264.80億(yi)(yi)美(mei)元(yuan)，增(zeng)長22.2%。全(quan)(quan)(quan)年(nian)實現(xian)旅(lv)(lv)游(you)總(zong)(zong)收入282.21億(yi)(yi)元(yuan)，增(zeng)長71.8%，國內旅(lv)(lv)游(you)接(jie)待(dai)人(ren)(ren)數達2402.58萬人(ren)(ren)次，接(jie)待(dai)入境過夜旅(lv)(lv)游(you)人(ren)(ren)數0.67萬人(ren)(ren)次，旅(lv)(lv)游(you)外匯收入900萬美(mei)元(yuan)。