Answer : 1. "China"
Explanation :

According to Stockholm International Peace Research Institute (SIPRI), with military expenditure of $83.6 billion in 2023, India was the fourth highest defense spender in the world. According to the latest data from SIPRI, the United States, China and Russia were the top three military spending countries in the world. According to the report, Ukraine will become the eighth largest military spender in 2023.