{
  "updated_at": "2026-11-13",
  "start_year": 1949,
  "end_year": 2025,
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    },
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    {
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    {
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    },
    {
      "key": "divorce_reg",
      "label": "离婚（万对）"
    },
    {
      "key": "marriage_rate",
      "label": "结婚率（‰）"
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  },
  "units": {
    "population": "万人",
    "births": "万人",
    "deaths": "万人",
    "birth_rate": "‰",
    "death_rate": "‰",
    "natural_rate": "‰",
    "marriage_reg": "万对",
    "divorce_reg": "万对",
    "marriage_rate": "‰",
    "divorce_rate": "‰"
  },
  "colors": {
    "population": "#1B4E8C",
    "births": "#D2543C",
    "deaths": "#7B4FA8",
    "birth_rate": "#D2543C",
    "death_rate": "#7B4FA8",
    "natural_rate": "#8A94A6",
    "marriage_reg": "#0E8C7A",
    "divorce_reg": "#C08A24",
    "marriage_rate": "#0E8C7A",
    "divorce_rate": "#C08A24"
  },
  "coverage": {
    "population": [
      1949,
      2025,
      62
    ],
    "birth_rate": [
      1978,
      2025,
      48
    ],
    "marriage_reg": [
      1985,
      2025,
      41
    ]
  },
  "checks": [
    {
      "year": 2024,
      "label": "出生人口 / 死亡人口（万人）",
      "computed": [
        954,
        1093
      ],
      "official": [
        954,
        1093
      ],
      "source": "国家统计局 2024 年统计公报"
    },
    {
      "year": 2025,
      "label": "出生人口 / 死亡人口（万人）",
      "computed": [
        792,
        1131
      ],
      "official": [
        792,
        1131
      ],
      "source": "国家统计局 2025 年统计公报"
    },
    {
      "year": 2024,
      "label": "结婚率 / 离婚率（‰）",
      "computed": [
        4.33,
        2.49
      ],
      "official": [
        4.3,
        2.5
      ],
      "source": "民政部 2024 年民政事业发展统计公报"
    },
    {
      "year": 2025,
      "label": "结婚率 / 离婚率（‰）",
      "computed": [
        4.81,
        2.8
      ],
      "official": [
        4.8,
        2.8
      ],
      "source": "民政部 2025 年民政事业发展统计公报"
    }
  ],
  "sources": [
    "国家统计局《中国统计年鉴 2024》表 2-1「人口数及构成」（1949–2023 年末总人口）",
    "国家统计局《中国统计年鉴 2024》表 2-2「人口出生率、死亡率和自然增长率」（1978–2023）",
    "国家统计局《中国统计年鉴 2024》表 22-24「婚姻登记情况」（2006–2023）",
    "国家统计局《中国统计年鉴 2009》表 22-49「婚姻登记和离婚情况」（1990–2008）",
    "国家统计局《中国统计年鉴 2002》表 22-37「婚姻登记和离婚情况」（1985–2001）",
    "国家统计局《2024 年国民经济和社会发展统计公报》《2025 年国民经济和社会发展统计公报》",
    "民政部《2024 年民政事业发展统计公报》《2025 年民政事业发展统计公报》"
  ],
  "notes": [
    "年末总人口不含香港特别行政区、澳门特别行政区和台湾省居民，也不含外籍人员；1981 年及以前为户籍统计数，1982 年起为人口普查或抽样调查推算数，早期并非逐年公布。",
    "出生人口、死亡人口是按公布的出生率 / 死亡率与当年平均总人口折算的，不是逐字抄录的公布绝对值；近年折算值与统计公报公布的绝对数一致（2024 年 954 / 1093 万人，2025 年 792 / 1131 万人）。",
    "结婚率、离婚率按民政部公报给出的公式计算：当年结(离)婚对数 ÷ 当年平均总人口 × 1000‰；与公报公布值一致（2024 年 4.3 / 2.5‰，2025 年 4.8 / 2.8‰）。早期年鉴另一种按「离婚人数」计算的旧口径数值约为本页两倍，本页统一不采用。",
    "依法办理离婚手续包含民政部门登记离婚与法院判决、调解离婚；2021 年起离婚登记数明显下降，与离婚冷静期实施及统计口径调整有关，读图时不要把这一段当成单纯的趋势变化。",
    "年鉴中缺少的年份一律留空，图上断线、表里显示「—」；不做插值、不做外推、不用别国数据替代。",
    "每年只追加新一年度的公布值，不回改历史数字；若官方修订历史序列，会在口径说明里单独记录。"
  ]
}