經初(chu)步核算(suan)，2021年(nian)(nian)海(hai)門區實現地區生產(chan)總值(zhi)1569.33億元，比上年(nian)(nian)增(zeng)(zeng)長(chang)9.4%。其中，第一(yi)產(chan)業(ye)(ye)增(zeng)(zeng)加(jia)(jia)值(zhi)72.64億元，增(zeng)(zeng)長(chang)4.5%；第二(er)產(chan)業(ye)(ye)增(zeng)(zeng)加(jia)(jia)值(zhi)769.69億元，增(zeng)(zeng)長(chang)8.6%；第三產(chan)業(ye)(ye)增(zeng)(zeng)加(jia)(jia)值(zhi)727.00億元，增(zeng)(zeng)長(chang)10.7%。三次產(chan)業(ye)(ye)結構調整(zheng)為4.6：49.1：46.3。全區人均地區生產(chan)總值(zhi)158119元，增(zeng)(zeng)長(chang)9.3%。

2021年(nian)(nian)(nian)(nian)(nian)海門區糧食(shi)總(zong)產(chan)量25.18萬(wan)(wan)噸(dun)，比(bi)上年(nian)(nian)(nian)(nian)(nian)增(zeng)(zeng)加0.01萬(wan)(wan)噸(dun)。全(quan)(quan)(quan)區規模以上工業增(zeng)(zeng)加值(zhi)同(tong)比(bi)增(zeng)(zeng)長(chang)(chang)12.9%。年(nian)(nian)(nian)(nian)(nian)末(mo)全(quan)(quan)(quan)區擁有資(zi)(zi)(zi)質以上建筑業企業529家。建筑企業全(quan)(quan)(quan)年(nian)(nian)(nian)(nian)(nian)完成建筑業總(zong)產(chan)值(zhi)2233億(yi)元(yuan)，增(zeng)(zeng)長(chang)(chang)2.1%。全(quan)(quan)(quan)年(nian)(nian)(nian)(nian)(nian)固定資(zi)(zi)(zi)產(chan)投(tou)資(zi)(zi)(zi)比(bi)上年(nian)(nian)(nian)(nian)(nian)增(zeng)(zeng)長(chang)(chang)2.1%。全(quan)(quan)(quan)年(nian)(nian)(nian)(nian)(nian)房地(di)產(chan)開發投(tou)資(zi)(zi)(zi)129.00億(yi)元(yuan)。全(quan)(quan)(quan)年(nian)(nian)(nian)(nian)(nian)實現社(she)會消(xiao)費品零售總(zong)額506.43億(yi)元(yuan)，增(zeng)(zeng)長(chang)(chang)16.9%。全(quan)(quan)(quan)年(nian)(nian)(nian)(nian)(nian)進(jin)出(chu)口總(zong)額322.47億(yi)元(yuan)，同(tong)比(bi)增(zeng)(zeng)長(chang)(chang)27.3 %。全(quan)(quan)(quan)年(nian)(nian)(nian)(nian)(nian)接待游(you)客320.6萬(wan)(wan)人次(ci)，其(qi)中，國(guo)際(ji)旅(lv)游(you)者人數2660人次(ci)。旅(lv)游(you)總(zong)收入達(da)29.80億(yi)元(yuan)，其(qi)中，旅(lv)游(you)外匯收入達(da)208萬(wan)(wan)美元(yuan)。全(quan)(quan)(quan)年(nian)(nian)(nian)(nian)(nian)實現一般公共(gong)預算收入79.01億(yi)元(yuan)，增(zeng)(zeng)長(chang)(chang)7.5%。全(quan)(quan)(quan)年(nian)(nian)(nian)(nian)(nian)一般公共(gong)預算支出(chu)134.32億(yi)元(yuan)，比(bi)上年(nian)(nian)(nian)(nian)(nian)增(zeng)(zeng)長(chang)(chang)0.7%。