| 1. |  Iran |
Largest pistachio producer, output of 230,000 tons[53] | Agriculture | 2007 |
| 2. | Iran |
Largest saffron producer, 93.7% of world’s total production[54] | Agriculture | 2009 |
| 3. | Iran |
Largest caviar producer [55] | Agriculture | 2009 |
| 4. | Iran |
Largest producer of berries[56] | Agriculture | 2007 |
| 5. | Iran |
Largest producer of stone fruits[57] | Agriculture | 2007 |
| 6. | Iran |
Largest producer of Berberis[58] | Agriculture | 2009 |
| 7. | Iran |
Hottest surface temperature ever recorded, 70.7 °C (159 °F) recorded at Dasht-e Lut[59] | Climate | 2005 |
| 8. | Iran |
Most number of people killed in a blizzard, 4000 people died in 1972 Iran blizzard | Climate | 1972 |
| 9. | Iran |
Largest importer of wheat[60][61][62] | Consumption | 2009 |
| 10. | Iran |
Highest rate of brain drain in the world | Demographics | 2003 |
| 11. | Iran |
Highest ratio of female to male school enrollment[63], 1.22 female per male student | Education | 2005 |
| 12. | Iran |
Location with the highest natural background radiation, annual dose of 260 mSv | Geography | 2010 |
| 13. | Iran |
Most number of major earthquakes, 5.5+ Richter Magnitude[64] | Geology | 2010 |
| 14. | Iran |
Most accurate calendar in use, Iranian calendar | Geophysics | 2010 |
| 15. | Iran |
Highest annual prevalence of opiates use, 2.8% of population | Health | 1999 |
| 16. | Iran |
Largest number of former national capitals, 31 former capital cities | History | 2010 |
| 17. | Iran |
World’s oldest country, Established ~3200 BC | History | 2010 |
| 18. | Iran |
Host to the world’s largest population of foreign refugees, Mostly Iraqi & Afghan refugees[65][66][67][68] | Humanitarian | 1999 |
| 19. | Iran |
Largest producer of Turquoise[69][70] | Industry | 2010 |
| 20. | Iran |
Largest reserves of Zinc[71][72][73] | Industry | 2010 |
| 21. | Iran |
World’s largest producer and exporter of handmade carpets[74][75][76] | Industry | 2010 |
| 22. | Iran |
World’s fastest growth rate in science and technology, 1000% increase of science & technology output in nine years[77][78][79] | Science | 2010 |
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Source: http://en.wikipedia.org/wiki/List_of_statistically_superlative_countries
Sent by: Javad Fakharzadeh
