{
  "world_population": {
    "family": "seasonal-spline-v2",
    "observations": [
      { "time": "2022-07-01T00:00:00.000Z", "value": 8021000000 },
      { "time": "2023-07-01T00:00:00.000Z", "value": 8091000000 },
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      { "time": "2025-07-01T00:00:00.000Z", "value": 8231000000 }
    ],
    "forecasts": [
      { "time": "2026-07-01T00:00:00.000Z", "value": 8299000000 },
      { "time": "2027-07-01T00:00:00.000Z", "value": 8365000000 },
      { "time": "2028-07-01T00:00:00.000Z", "value": 8429000000 }
    ],
    "uncertainty": { "low": 8211000000, "high": 8251000000 },
    "observedAt": "2025-07-01T00:00:00.000Z"
  },
  "births_ytd": {
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    "annualTotal": 131500000,
    "shape": [{ "period": "year", "order": 1, "relativeAmplitude": 0.035, "phase": 1.8449 }],
    "observedAt": "2025-07-01T00:00:00.000Z"
  },
  "heartbeats_ytd": {
    "family": "linear-ytd-v1",
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    "annualTotal": 306100000000000000,
    "observedAt": "2025-07-01T00:00:00.000Z"
  },
  "deaths_ytd": {
    "family": "seasonal-ytd-v1",
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    "annualTotal": 63000000,
    "shape": [{ "period": "year", "order": 1, "relativeAmplitude": 0.06, "phase": -0.258 }],
    "observedAt": "2025-07-01T00:00:00.000Z"
  }
}
