Yes
Terrain:
Iran- rugged, mountainous rim; high, central basin with deserts, mountains; small, discontinuous plains along both coasts (very defensible)
KSA- mostly uninhabited, sandy desert (basically a highway for tanks)
Natural Resources:
Iran- petroleum, natural gas, coal, chromium, copper, iron ore, lead, manganese, zinc, sulfur (Oil, gas, other strategic resources)
KSA- petroleum, natural gas, iron ore, gold, copper (Oil, gas, jewelry)
Arable Land:
Iran- 10.05%
KSA- 1.45%
Population:
Iran- 80,840,713
KSA- 27,345,986
note: immigrants make up more than 30% of the total population, according to UN data
GDP:
Iran- $987.1 billion
KSA- $927.8 billion
Exports
Iran- $61.22 billion
KSA- $376.3 billion
Imports
Iran- $64.42 billion (2013 est.)
KSA- $147 billion (2013 est.)
Stock of direct foreign investment - at home
Iran- $41.45 billion
KSA-$240.6 billion
Oil - exports
Iran 2.445 million bbl/day
KSA 6.88 million bbl/day (2011 est.)
Military service age and obligation
Iran- 18 years of age for compulsory military service; 16 years of age for volunteers; 17 years of age for Law Enforcement Forces; 15 years of age for Basij Forces (Popular Mobilization Army); conscript military service obligation is 18 months; women exempt from military service (2012)
KSA- 17 is the legal minimum age for voluntary military service; no conscription (2012)
Manpower available for military service
Iran- males age 16-49: 23,619,215
females age 16-49: 22,628,341 (2010 est.)
KSA males age 16-49: 8,644,522
females age 16-49: 6,601,985 (2010 est.)