[
  {
    "metric": "Market GDP, 2025 estimate",
    "usa": 30.77,
    "china": 19.63,
    "unit": "trillion current US$"
  },
  {
    "metric": "PPP GDP, 2025 estimate",
    "usa": 30.77,
    "china": 41.24,
    "unit": "trillion international $"
  }
]