經廣東省統(tong)計(ji)局(ju)統(tong)一核算，2020年(nian)茂名市(shi)實現地區生產總值(zhi)（初步核算數）3279.31億(yi)元(yuan)，比(bi)上年(nian)增長(chang)1.5%。第(di)一產業增加值(zhi)648.68億(yi)元(yuan)，增長(chang)5.4%；第(di)二產業增加值(zhi)1032.43億(yi)元(yuan)，增長(chang)1.1%；第(di)三(san)產業增加值(zhi)1598.20億(yi)元(yuan)，增長(chang)0.5%。三(san)次產業結構比(bi)重為19.8∶31.5∶48.7。

2020年(nian)(nian)茂名市(shi)糧食(shi)作(zuo)物播種面積374.92萬畝(mu)，比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)(zeng)(zeng)(zeng)長(chang)(chang)(chang)1.2%。全(quan)(quan)部工業(ye)(ye)(ye)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)(zeng)(zeng)(zeng)長(chang)(chang)(chang)0.2%。全(quan)(quan)社(she)(she)會建筑業(ye)(ye)(ye)實現(xian)(xian)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)305.30億(yi)元(yuan)(yuan)(yuan)(yuan)，比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)(zeng)(zeng)(zeng)長(chang)(chang)(chang)4.9%。全(quan)(quan)年(nian)(nian)金融(rong)業(ye)(ye)(ye)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)106.73億(yi)元(yuan)(yuan)(yuan)(yuan)，比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)(zeng)(zeng)(zeng)長(chang)(chang)(chang)5.3%，房地產業(ye)(ye)(ye)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)241.66億(yi)元(yuan)(yuan)(yuan)(yuan)，增(zeng)(zeng)(zeng)(zeng)(zeng)長(chang)(chang)(chang)13.0%，交通運輸、倉儲(chu)和(he)郵政業(ye)(ye)(ye)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)128.04億(yi)元(yuan)(yuan)(yuan)(yuan)，增(zeng)(zeng)(zeng)(zeng)(zeng)長(chang)(chang)(chang)2.3%，批發和(he)零(ling)售(shou)業(ye)(ye)(ye)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)385.72億(yi)元(yuan)(yuan)(yuan)(yuan)，下降(jiang)13.1%，住宿和(he)餐飲業(ye)(ye)(ye)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)48.74億(yi)元(yuan)(yuan)(yuan)(yuan)，下降(jiang)21.4%。現(xian)(xian)代(dai)服(fu)務業(ye)(ye)(ye)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)786.97億(yi)元(yuan)(yuan)(yuan)(yuan)，增(zeng)(zeng)(zeng)(zeng)(zeng)長(chang)(chang)(chang)6.5%。生產性服(fu)務業(ye)(ye)(ye)增(zeng)(zeng)(zeng)(zeng)(zeng)加(jia)值(zhi)(zhi)(zhi)566.78億(yi)元(yuan)(yuan)(yuan)(yuan)，下降(jiang)0.9%。全(quan)(quan)年(nian)(nian)社(she)(she)會消費品零(ling)售(shou)總(zong)額(e)1356.48億(yi)元(yuan)(yuan)(yuan)(yuan)，比(bi)(bi)上(shang)年(nian)(nian)下降(jiang)5.7%。全(quan)(quan)年(nian)(nian)進出口總(zong)額(e)199.27億(yi)元(yuan)(yuan)(yuan)(yuan)，比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)(zeng)(zeng)(zeng)長(chang)(chang)(chang)1.5%。全(quan)(quan)市(shi)接待游(you)客(ke)801萬人次(ci)，其中過夜(ye)游(you)客(ke)536.49萬人次(ci)，一日游(you)游(you)客(ke)264.52萬人次(ci)。旅游(you)總(zong)收入88.62億(yi)元(yuan)(yuan)(yuan)(yuan)，旅游(you)外匯收入317.07萬美元(yuan)(yuan)(yuan)(yuan)。