query: #added by Jura1, rev. 2016-11-08
  SELECT DISTINCT ?age ?country ?countryLabel ?hgovernment ?hgovernmentLabel
  {
    ?country wdt:P31 wd:Q3624078 .
    FILTER NOT EXISTS {?country wdt:P31 wd:Q3024240}
    ?country p:P6 ?statement .    
    ?statement ps:P6 ?hgovernment .
    ?country wdt:P6 ?hgovernment .
    FILTER NOT EXISTS { ?statement pq:P582 ?x } 
    ?hgovernment wdt:P569 ?dob . BIND(YEAR(now())-YEAR(?dob) as ?age)
    FILTER(?age>=65)
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }
  ORDER BY DESC(?age)