初步核算，2020年(nian)北京市實現地區生產總值36102.6億(yi)元，按可比(bi)價(jia)格計算，比(bi)上年(nian)增(zeng)(zeng)長(chang)1.2%。其中，第(di)一產業(ye)增(zeng)(zeng)加值107.6億(yi)元，下降8.5%；第(di)二產業(ye)增(zeng)(zeng)加值5716.4億(yi)元，增(zeng)(zeng)長(chang)2.1%；第(di)三(san)產業(ye)增(zeng)(zeng)加值30278.6億(yi)元，增(zeng)(zeng)長(chang)1.0%。三(san)次產業(ye)構成為0.4︰15.8︰83.8。

2020年(nian)(nian)北京(jing)市(shi)(shi)(shi)實(shi)現農林牧漁業(ye)(ye)(ye)總(zong)(zong)產(chan)值263.4億(yi)元，比(bi)(bi)上(shang)年(nian)(nian)下降(jiang)(jiang)(jiang)6.5%。全(quan)年(nian)(nian)實(shi)現工(gong)業(ye)(ye)(ye)增(zeng)(zeng)加值4216.5億(yi)元，按可(ke)(ke)比(bi)(bi)價格計算，比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)長(chang)1.4%。全(quan)市(shi)(shi)(shi)具有資(zi)(zi)質等級(ji)的總(zong)(zong)承包和專業(ye)(ye)(ye)承包建(jian)(jian)筑業(ye)(ye)(ye)企業(ye)(ye)(ye)完成建(jian)(jian)筑業(ye)(ye)(ye)總(zong)(zong)產(chan)值12905.9億(yi)元，比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)長(chang)7.6%。全(quan)年(nian)(nian)貨運量(liang)26346.2萬噸，比(bi)(bi)上(shang)年(nian)(nian)下降(jiang)(jiang)(jiang)3.6%；貨物周轉量(liang)842.7億(yi)噸公里，下降(jiang)(jiang)(jiang)6.5%。全(quan)市(shi)(shi)(shi)機(ji)動車保有量(liang)657萬輛(liang)(liang)，比(bi)(bi)上(shang)年(nian)(nian)末增(zeng)(zeng)加20.5萬輛(liang)(liang)。全(quan)年(nian)(nian)完成郵政行(xing)業(ye)(ye)(ye)業(ye)(ye)(ye)務總(zong)(zong)量(liang)480.2億(yi)元，按可(ke)(ke)比(bi)(bi)價格計算，比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)長(chang)4.4%。全(quan)年(nian)(nian)固定資(zi)(zi)產(chan)投資(zi)(zi)（不含農戶(hu)）比(bi)(bi)上(shang)年(nian)(nian)增(zeng)(zeng)長(chang)2.2%。全(quan)年(nian)(nian)市(shi)(shi)(shi)場總(zong)(zong)消費額(e)比(bi)(bi)上(shang)年(nian)(nian)下降(jiang)(jiang)(jiang)6.9%。全(quan)年(nian)(nian)北京(jing)地區進出口總(zong)(zong)值23215.9億(yi)元，比(bi)(bi)上(shang)年(nian)(nian)下降(jiang)(jiang)(jiang)19.1%。