China China’s defence budget officially stands at $126 billion, and, in a relentless drive to invest massively in defence, there is likely to be an increase of budget by 12.2%. It has a formidable size of army, with 2.285 million active frontline personnel and a further 2.3 million reservists, making it the world’s largest land force, along with nearly 25,000 land vehicles. It has another 2,800 aircraft on its air force.