{
  "updated": "2026-07-05",
  "license": "Free to cite and reuse with attribution and a link to https://belgradebest.com/expo-2027/tracker",
  "officialCount": {
    "count": 139,
    "label": "international participants (official counter)",
    "source": "https://expobelgrade2027.org/en/participants",
    "note": "The official Participants page banner claims 139 confirmed international participants but individually names only 81 countries ('More coming soon!')."
  },
  "namedNote": "Our table is the deduped union of countries actually named by the official Participants page (81), Wikipedia's participants table, and press announcements — only countries a source names are listed.",
  "expected": {
    "countries": "120–140 countries planned; BIE material expects 'more than 130 participating countries'",
    "visitors": "Organiser guidance has ranged from a 4 million minimum (official facts & figures, July 2025) to the BIE's current 'more than 6 million' — the 6M figure is the more recent",
    "events": "More than 8,000 events across the 93-day programme (BIE)"
  },
  "timeline": [
    {
      "date": "2024-12-12",
      "count": null,
      "event": "Switzerland among the first confirmations",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "date": "2025-05-01",
      "count": 94,
      "event": "~94 countries confirmed",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "date": "2025-07-05",
      "count": 117,
      "event": "117 confirmed — Astana 2017's Specialised-Expo record surpassed",
      "source": "https://expobelgrade2027.org/en/news/major-success-for-serbia-117-countries-confirm-participation-in-expo-2027-serbia-surpasses-astana"
    },
    {
      "date": "2025-07-20",
      "count": 118,
      "event": "Official 'facts and figures' cites 118 participants",
      "source": "https://expobelgrade2027.org/en/news/expo-2027-in-facts-and-figures-the-biggest-international-event-in-serbias-history"
    },
    {
      "date": "2025-09-15",
      "count": 120,
      "event": "120 confirmed",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "date": "2025-11-15",
      "count": null,
      "event": "Slovakia signs the first formal participation contract",
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "date": "2026-03-10",
      "count": 137,
      "event": "137 confirmed (80 in written form)",
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "date": "2026-05-11",
      "count": 138,
      "event": "The United States confirms, 'joining 137 nations already confirmed'",
      "source": "https://washington.mfa.gov.rs/en/press-service/announcements-and-notifications/united-states-confirms-participation-specialized-exhibition-expo-2027-belgrade"
    },
    {
      "date": "2026-07-05",
      "count": 139,
      "event": "Official counter shows 139 international participants",
      "source": "https://expobelgrade2027.org/en/participants"
    }
  ],
  "participants": [
    {
      "name": "Algeria",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Antigua and Barbuda",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Armenia",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Austria",
      "region": "Europe",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Azerbaijan",
      "region": "Asia",
      "announced": "2025-04-05",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Bangladesh",
      "region": "Asia",
      "announced": null,
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Belarus",
      "region": "Europe",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Belize",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Bosnia and Herzegovina",
      "region": "Europe",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Burkina Faso",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/news/burkina-faso-confirms-participation-in-expo-2027-belgrade"
    },
    {
      "name": "Burundi",
      "region": "Africa",
      "announced": "2025-04-01",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Cabo Verde",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Cameroon",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Central African Republic",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Chad",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "China",
      "region": "Asia",
      "announced": "2025-03-22",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Comoros",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Cuba",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Cyprus",
      "region": "Europe",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Djibouti",
      "region": "Africa",
      "announced": "2025-04-03",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Ecuador",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Equatorial Guinea",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Eswatini",
      "region": "Africa",
      "announced": "2025-04-24",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Ethiopia",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Fiji",
      "region": "Oceania",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "France",
      "region": "Europe",
      "announced": null,
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Gabon",
      "region": "Africa",
      "announced": null,
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "The Gambia",
      "region": "Africa",
      "announced": "2025-04-22",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Georgia",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Germany",
      "region": "Europe",
      "announced": "2025-02-26",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Ghana",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Greece",
      "region": "Europe",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Grenada",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Guinea",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Guinea-Bissau",
      "region": "Africa",
      "announced": "2025-03-21",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Hungary",
      "region": "Europe",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Indonesia",
      "region": "Asia",
      "announced": null,
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Iran",
      "region": "Asia",
      "announced": "2025-03-03",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Iraq",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Israel",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Italy",
      "region": "Europe",
      "announced": "2025-01-31",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Japan",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Kazakhstan",
      "region": "Asia",
      "announced": null,
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Kiribati",
      "region": "Oceania",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Kyrgyzstan",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Lesotho",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Liberia",
      "region": "Africa",
      "announced": "2025-04-11",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Libya",
      "region": "Africa",
      "announced": "2026-02-01",
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Madagascar",
      "region": "Africa",
      "announced": "2025-03-24",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Malawi",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Maldives",
      "region": "Asia",
      "announced": null,
      "source": "https://beinbelgrade.com/belgrade-expo-2027-participating-countries/"
    },
    {
      "name": "Mali",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Micronesia",
      "region": "Oceania",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Monaco",
      "region": "Europe",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Montenegro",
      "region": "Europe",
      "announced": "2025-03-03",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Mozambique",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Nauru",
      "region": "Oceania",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Nepal",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Niger",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "North Macedonia",
      "region": "Europe",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/news/north-macedonia-confirmed-participation-in-expo-2027-belgrade"
    },
    {
      "name": "Palau",
      "region": "Oceania",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Qatar",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Russia",
      "region": "Europe",
      "announced": "2025-12-25",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Saint Lucia",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Saint Vincent and the Grenadines",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "São Tomé and Príncipe",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Saudi Arabia",
      "region": "Asia",
      "announced": null,
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Serbia",
      "region": "Europe",
      "announced": null,
      "host": true,
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Seychelles",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Slovakia",
      "region": "Europe",
      "announced": "2025-11-01",
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Solomon Islands",
      "region": "Oceania",
      "announced": "2025-02-14",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Somalia",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "South Africa",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "South Korea",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "South Sudan",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Sudan",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Suriname",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Switzerland",
      "region": "Europe",
      "announced": "2024-12-12",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Tajikistan",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Tanzania",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Togo",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Tunisia",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Türkiye",
      "region": "Asia",
      "announced": "2025-01-11",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Turkmenistan",
      "region": "Asia",
      "announced": "2025-03-15",
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "Uganda",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "United Arab Emirates",
      "region": "Asia",
      "announced": null,
      "source": "https://en.wikipedia.org/wiki/Expo_2027"
    },
    {
      "name": "United States",
      "region": "Americas",
      "announced": "2026-05-11",
      "source": "https://washington.mfa.gov.rs/en/press-service/announcements-and-notifications/united-states-confirms-participation-specialized-exhibition-expo-2027-belgrade"
    },
    {
      "name": "Uzbekistan",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Vanuatu",
      "region": "Oceania",
      "announced": "2025-02-14",
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Venezuela",
      "region": "Americas",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Yemen",
      "region": "Asia",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Zambia",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    },
    {
      "name": "Zimbabwe",
      "region": "Africa",
      "announced": null,
      "source": "https://expobelgrade2027.org/en/participants"
    }
  ],
  "sources": [
    {
      "url": "https://expobelgrade2027.org/en/participants",
      "note": "Official Participants page — the 139 counter and 81 named countries"
    },
    {
      "url": "https://en.wikipedia.org/wiki/Expo_2027",
      "note": "Participants table with confirmation dates; 137 as of 10 Mar 2026"
    },
    {
      "url": "https://www.bie-paris.org/site/en/2027-belgrade",
      "note": "BIE — expects 130+ countries, 6M+ visitors, 8,000+ events"
    },
    {
      "url": "https://washington.mfa.gov.rs/en/press-service/announcements-and-notifications/united-states-confirms-participation-specialized-exhibition-expo-2027-belgrade",
      "note": "US confirmation, 11 May 2026"
    },
    {
      "url": "https://beinbelgrade.com/belgrade-expo-2027-participating-countries/",
      "note": "Non-official aggregation, cross-reference only"
    }
  ],
  "caveats": [
    "The official counter (139) counts 'international participants', not strictly countries, and the official page names only 81 of them.",
    "Countries appear in our table only when a source names them; absence here does not mean absence from the Expo.",
    "Announced dates are confirmation dates as reported by Wikipedia's participants table where available.",
    "Egypt and Canada appear in some coverage but without a firm source naming them — excluded until confirmed."
  ]
}