By the end of the Second Sino-Japanese War, the National Revolutionary Army had organized 40 army groups. These were roughly equivalent to a field army in other militaries.
From November 1948, the People's Liberation Army regularised the existing large number of armies and divisions into some sixty-seven armies of three divisions each. While some formations, such as the 1st Army, survived for over fifty years, a number were quickly amalgamated and disestablished in the early 1950s. It appears that over 37% of the seventy new armies may have been disestablished from 1949 to 1953. In 1949, the 8th and 34th Armies were disbanded, in 1950, the 30th and 35th Armies were disbanded in January, the 51st Army on September 24, 1950, and the 29th, 32nd, and 33rd in November 1950. The 45th and 48th Armies appear to have been broken up in 1951-52; the 48th Army had the 142nd Division become the 11th Public Security Division and the 144th Division transferred to the 21st Army/Corps. The 52nd Army was broken up on September 2, 1951. In 1952, the 3rd, 4th, 9th, 10th, 17th, 18th, 19th, 25th, 36th, 37th, 43rd, 44th, and 49th Armies were disbanded. The 36th and 37th Armies appear to have both been broken up in February 1952, and both may have been reorganised for engineering tasks. The 44th Army was broken up in October 1952 with headquarters elements possibly transferred to the Navy, the 131st Division to the Navy Qingdao Base and the 132nd Division to the 43rd Army. The 49th Army was broken up in January. It appears that the 2nd and 6th Corps were disbanded in 1953. The 5th Army/Corps was reorganised into a military region in October 1954. After the Landing Operation on Hainan Island, the 43rd Army merged with the Hainan Military Region on July 5, 1952. In September 1968 the 43rd Army was reformed, including the 127th Division, the 128th Division, the 220th Division, to defend Guangxi Guilin. On October 17, 1969, it moved to Henan Luoyang, changed to Wuhan Military Region leadership. Zhang Wannian became corps commander in 1981. In October 1985, the 43rd Army was disbanded again. The 127th Division transferred to the 54th Army, and the 128th Division to the 20th Army. The 129th Division was disbanded. In March 1967, the Central Intelligence Agency identified some 35 field corps:
From 1997 to 2000, force reductions resulted in the disbandment of three group armies: the 28th, 64th, and the 67th Group Army at Zibo, Shandong, in the Jinan Military Region. In September 2003, a further series of reductions were announced, and from 2003 to 2006 the 24th Group Army at Chengde, Hebei, the 63rd Army at Taiyuan, Shaanxi, and the 23rd Group Army at Harbin in the Shenyang Military Region were eliminated. Other PRC Chinese language sources typically describe each army group as having 2 or 3 divisions and further augmented by several brigade or regiment sized 'combat arms'/ 'support-arms' formations e.g. artillery, armour, air defence artillery, motorized, aviation/helicopter regiment etc.
PLA Group Armies and their headquarters up until 2016
