What is the ranking used for the top million sites? A search result for "Australia" returns as the top result http://australia.gov.au, which Alexa ranks as 20,615 globally. Actually, a lot of the queries I tried returned Australian sites.
http://millionshort.com/search.php?q=australia&remove=10...
http://millionshort.com/search.php?q=somalia&remove=1000... -- another Australian site.