query: PREFIX wikibase: <http://wikiba.se/ontology#>
  PREFIX wd: <http://www.wikidata.org/entity/> 
  PREFIX wdt: <http://www.wikidata.org/prop/direct/>
  PREFIX p: <http://www.wikidata.org/prop/>
  PREFIX q: <http://www.wikidata.org/prop/qualifier/>
  PREFIX v: <http://www.wikidata.org/prop/statement/>
  #by Jura1, 2016-01-18
  
  SELECT DISTINCT ?age ?country ?countryLabel ?hgovernmentLabel  WHERE {
    ?country wdt:P31 wd:Q3624078 . 
    FILTER NOT EXISTS {?country wdt:P31 wd:Q3024240}
    ?country p:P6 ?statement .     
    ?statement v:P6 ?hgovernment . 
    FILTER NOT EXISTS { ?statement q:P582 ?x }  
    ?hgovernment wdt:P569 ?dob . BIND(YEAR(now())-YEAR(?dob) as ?age)
    FILTER(?age>=65)
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en,en" .
    }
   } 
  ORDER BY DESC(?age)
  