經(jing)初步(bu)核算，2021年(nian)海門區(qu)實現(xian)地(di)區(qu)生產(chan)總值(zhi)1569.33億元(yuan)(yuan)(yuan)，比上年(nian)增(zeng)(zeng)(zeng)長(chang)9.4%。其中，第一產(chan)業(ye)增(zeng)(zeng)(zeng)加(jia)(jia)值(zhi)72.64億元(yuan)(yuan)(yuan)，增(zeng)(zeng)(zeng)長(chang)4.5%；第二產(chan)業(ye)增(zeng)(zeng)(zeng)加(jia)(jia)值(zhi)769.69億元(yuan)(yuan)(yuan)，增(zeng)(zeng)(zeng)長(chang)8.6%；第三(san)產(chan)業(ye)增(zeng)(zeng)(zeng)加(jia)(jia)值(zhi)727.00億元(yuan)(yuan)(yuan)，增(zeng)(zeng)(zeng)長(chang)10.7%。三(san)次產(chan)業(ye)結(jie)構(gou)調整為4.6：49.1：46.3。全(quan)區(qu)人(ren)均(jun)地(di)區(qu)生產(chan)總值(zhi)158119元(yuan)(yuan)(yuan)，增(zeng)(zeng)(zeng)長(chang)9.3%。

2021年(nian)海(hai)門區(qu)(qu)糧食總(zong)產量25.18萬噸，比(bi)上(shang)年(nian)增(zeng)(zeng)加0.01萬噸。全(quan)(quan)(quan)區(qu)(qu)規(gui)模(mo)以(yi)上(shang)工業增(zeng)(zeng)加值同(tong)比(bi)增(zeng)(zeng)長(chang)12.9%。年(nian)末全(quan)(quan)(quan)區(qu)(qu)擁(yong)有資質(zhi)以(yi)上(shang)建(jian)筑(zhu)業企業529家。建(jian)筑(zhu)企業全(quan)(quan)(quan)年(nian)完成建(jian)筑(zhu)業總(zong)產值2233億(yi)元(yuan)(yuan)，增(zeng)(zeng)長(chang)2.1%。全(quan)(quan)(quan)年(nian)固定資產投(tou)(tou)資比(bi)上(shang)年(nian)增(zeng)(zeng)長(chang)2.1%。全(quan)(quan)(quan)年(nian)房(fang)地(di)產開(kai)發(fa)投(tou)(tou)資129.00億(yi)元(yuan)(yuan)。全(quan)(quan)(quan)年(nian)實現(xian)社會消(xiao)費品零(ling)售總(zong)額506.43億(yi)元(yuan)(yuan)，增(zeng)(zeng)長(chang)16.9%。全(quan)(quan)(quan)年(nian)進出口總(zong)額322.47億(yi)元(yuan)(yuan)，同(tong)比(bi)增(zeng)(zeng)長(chang)27.3 %。全(quan)(quan)(quan)年(nian)接(jie)待游(you)客(ke)320.6萬人次(ci)，其中，國際旅(lv)(lv)游(you)者人數2660人次(ci)。旅(lv)(lv)游(you)總(zong)收入達29.80億(yi)元(yuan)(yuan)，其中，旅(lv)(lv)游(you)外匯(hui)收入達208萬美元(yuan)(yuan)。全(quan)(quan)(quan)年(nian)實現(xian)一般(ban)公共(gong)預(yu)算收入79.01億(yi)元(yuan)(yuan)，增(zeng)(zeng)長(chang)7.5%。全(quan)(quan)(quan)年(nian)一般(ban)公共(gong)預(yu)算支出134.32億(yi)元(yuan)(yuan)，比(bi)上(shang)年(nian)增(zeng)(zeng)長(chang)0.7%。