Differences

Australia's flag

Australia
Has is its own continent unlike Egypt is part of the continent Africa.
One country one island.
Has a different Flag.
Different population,21,431,800, (2008).(click here to view Australia's population clock).Speaks different languages(English).
Different currency(dollars).
Is connected to the Queen.
Is more wealthy.
1st world country.
Doesn't have pyramids.
Doesn't have pharoahs and gods and goddesses.
Is bigger(7,617,930 SQ KM).
Different timeline. 
People are more educated.
More powerful military.
Made 2010 soccer world cup.
Different location
Different leader.

Egypt's flag

Egypt
Egypt has a much  bigger populationof Muslims than Australia.(click on Muslims to learn more about Egypts religion.
Speaks different languages(Arabic,French)
Has different currency, Egypt(Egyptian Pound), .(click on currency to learn about egypts economy).
Different flag.(click on flag to go to the page about Egypts flag).
Has a Republic goverment.
Is less wealthy.
3rd world country..

Has pyramids.
Has phaoraohs and gods and goddesses.
Is smaller(386,662 sq mi).
Different timeline.
People are less educated.
Less powerful military.
Did not make 2010 soccer world cup.
Different Location.
Different Leader.
Different population.(click here to see Egypts live  population clock).

Similarities

Both have a national soccer team. 
Both are known for there deserts.
Both have some christian communities.
Both are free countries.
Both have a quite hot climate in summer.
 

A characteristic photo of Australia

Egypts most famous 'Great' pyramid