{
  "schema_version": "2026-08-07",
  "status": "planning",
  "principle": "A country enters coverage only through an authoritative, reproducible source. Automated web scraping is out of scope.",
  "source_quality": [
    {
      "rank": 1,
      "method": "official_api",
      "use": "rate_source",
      "eligibility": "accepted",
      "controls": ["authoritative_owner", "retrieval_metadata", "raw_response_evidence", "schema_validation"]
    },
    {
      "rank": 2,
      "method": "official_structured_file",
      "use": "rate_source",
      "eligibility": "accepted",
      "formats": ["json", "xml", "csv", "xlsx"],
      "controls": ["original_bytes", "checksum", "schema_or_transformation_version", "rejected_row_log"]
    },
    {
      "rank": 3,
      "method": "official_publication_file",
      "use": "rate_source",
      "eligibility": "controlled",
      "formats": ["pdf"],
      "controls": ["original_bytes", "checksum", "deterministic_extraction", "material_change_review"]
    },
    {
      "rank": 4,
      "method": "official_rss_atom",
      "use": "change_signal_only",
      "eligibility": "not_a_rate_source",
      "controls": ["official_feed_only", "change_detection", "feed_item_evidence", "qualifying_source_required"]
    }
  ],
  "excluded_methods": [
    {
      "method": "automated_web_scraping",
      "status": "indefinite_backlog",
      "publication_behavior": "unsupported",
      "exit_condition": "The authority publishes a qualifying API, downloadable file, publication, or contracted feed."
    }
  ],
  "country_priority": {
    "status": "research_priority_not_coverage_commitment",
    "basis": "2025 forecast business-travel spending by origin market in the GBTA Business Travel Index",
    "execution_rule": "Within each business-priority tier, implement countries with higher-quality eligible sources first. Web-only jurisdictions remain unsupported regardless of rank.",
    "review_cadence": "annual",
    "global_total_billion_usd": 1565.0,
    "top_5_share_percent": 62.8,
    "top_15_share_percent": 84.3,
    "tiers": [
      {
        "tier": "initial_research",
        "markets": [
          {"rank": 1, "country": "United States", "iso2": "US", "spend_billion_usd": 395.4},
          {"rank": 2, "country": "China", "iso2": "CN", "spend_billion_usd": 373.1},
          {"rank": 3, "country": "Germany", "iso2": "DE", "spend_billion_usd": 80.1},
          {"rank": 4, "country": "Japan", "iso2": "JP", "spend_billion_usd": 74.4},
          {"rank": 5, "country": "United Kingdom", "iso2": "GB", "spend_billion_usd": 60.2}
        ]
      },
      {
        "tier": "expansion_research",
        "markets": [
          {"rank": 6, "country": "France", "iso2": "FR", "spend_billion_usd": 46.9},
          {"rank": 7, "country": "South Korea", "iso2": "KR", "spend_billion_usd": 44.7},
          {"rank": 8, "country": "India", "iso2": "IN", "spend_billion_usd": 43.0},
          {"rank": 9, "country": "Italy", "iso2": "IT", "spend_billion_usd": 40.0},
          {"rank": 10, "country": "Brazil", "iso2": "BR", "spend_billion_usd": 30.4},
          {"rank": 11, "country": "Canada", "iso2": "CA", "spend_billion_usd": 28.1},
          {"rank": 12, "country": "Australia", "iso2": "AU", "spend_billion_usd": 27.9},
          {"rank": 13, "country": "Spain", "iso2": "ES", "spend_billion_usd": 26.7},
          {"rank": 14, "country": "Turkey", "iso2": "TR", "spend_billion_usd": 24.1},
          {"rank": 15, "country": "Netherlands", "iso2": "NL", "spend_billion_usd": 23.7}
        ]
      }
    ],
    "limitations": [
      "Business-travel spending is a T&E activity proxy, not an employer or employee count.",
      "The GBTA measure combines domestic and international outbound spending and is origin-oriented.",
      "Authoritative source availability and customer demand may override rank order."
    ]
  },
  "sources": [
    {
      "id": "gbta_bti_2025",
      "role": "primary_priority_signal",
      "url": "https://www.gbta.org/wp-content/uploads/GBTA-BTI-Report_2025_Executive-Summary-FINAL.pdf"
    },
    {
      "id": "oecd_amne",
      "role": "multinational_activity_cross_check",
      "url": "https://www.oecd.org/en/data/datasets/activity-of-multinational-enterprises.html"
    },
    {
      "id": "oecd_unsd_meip",
      "role": "enterprise_location_cross_check",
      "url": "https://www.oecd.org/en/data/dashboards/oecd-unsd-multinational-enterprise-information-platform.html"
    }
  ]
}