經(jing)廣東省統(tong)計局統(tong)一核算，2020年(nian)(nian)茂(mao)名市實(shi)現地區(qu)生(sheng)產總(zong)值(zhi)（初步核算數）3279.31億(yi)元(yuan)，比上年(nian)(nian)增長(chang)1.5%。第一產業(ye)增加(jia)值(zhi)648.68億(yi)元(yuan)，增長(chang)5.4%；第二(er)產業(ye)增加(jia)值(zhi)1032.43億(yi)元(yuan)，增長(chang)1.1%；第三產業(ye)增加(jia)值(zhi)1598.20億(yi)元(yuan)，增長(chang)0.5%。三次產業(ye)結構比重為19.8∶31.5∶48.7。

2020年(nian)茂名市(shi)糧食作(zuo)物播種面(mian)積374.92萬(wan)(wan)畝(mu)，比上(shang)年(nian)增(zeng)(zeng)長(chang)1.2%。全(quan)(quan)(quan)部工(gong)業(ye)(ye)(ye)增(zeng)(zeng)加(jia)值(zhi)(zhi)比上(shang)年(nian)增(zeng)(zeng)長(chang)0.2%。全(quan)(quan)(quan)社(she)會建筑業(ye)(ye)(ye)實現增(zeng)(zeng)加(jia)值(zhi)(zhi)305.30億元(yuan)(yuan)，比上(shang)年(nian)增(zeng)(zeng)長(chang)4.9%。全(quan)(quan)(quan)年(nian)金(jin)融業(ye)(ye)(ye)增(zeng)(zeng)加(jia)值(zhi)(zhi)106.73億元(yuan)(yuan)，比上(shang)年(nian)增(zeng)(zeng)長(chang)5.3%，房地(di)產業(ye)(ye)(ye)增(zeng)(zeng)加(jia)值(zhi)(zhi)241.66億元(yuan)(yuan)，增(zeng)(zeng)長(chang)13.0%，交通運輸、倉儲和(he)郵政業(ye)(ye)(ye)增(zeng)(zeng)加(jia)值(zhi)(zhi)128.04億元(yuan)(yuan)，增(zeng)(zeng)長(chang)2.3%，批發(fa)和(he)零售業(ye)(ye)(ye)增(zeng)(zeng)加(jia)值(zhi)(zhi)385.72億元(yuan)(yuan)，下降13.1%，住宿和(he)餐飲業(ye)(ye)(ye)增(zeng)(zeng)加(jia)值(zhi)(zhi)48.74億元(yuan)(yuan)，下降21.4%。現代(dai)服務業(ye)(ye)(ye)增(zeng)(zeng)加(jia)值(zhi)(zhi)786.97億元(yuan)(yuan)，增(zeng)(zeng)長(chang)6.5%。生產性服務業(ye)(ye)(ye)增(zeng)(zeng)加(jia)值(zhi)(zhi)566.78億元(yuan)(yuan)，下降0.9%。全(quan)(quan)(quan)年(nian)社(she)會消費品零售總額1356.48億元(yuan)(yuan)，比上(shang)年(nian)下降5.7%。全(quan)(quan)(quan)年(nian)進(jin)出(chu)口總額199.27億元(yuan)(yuan)，比上(shang)年(nian)增(zeng)(zeng)長(chang)1.5%。全(quan)(quan)(quan)市(shi)接待游客801萬(wan)(wan)人(ren)(ren)次，其中過夜游客536.49萬(wan)(wan)人(ren)(ren)次，一(yi)日游游客264.52萬(wan)(wan)人(ren)(ren)次。旅(lv)(lv)游總收入88.62億元(yuan)(yuan)，旅(lv)(lv)游外匯收入317.07萬(wan)(wan)美元(yuan)(yuan)。