The document provides information about countries in three categories: size, population, and wealth. It ranks the largest 20 countries by area, from Russia as the largest to Chad. It also ranks the smallest 20 countries by area, from Vatican City as the smallest to Tonga. Additionally, it ranks the most populated countries, led by China, as well as the wealthiest and poorest countries based on GDP per capita.

1. Largest Countries in the World
Rank Country Area (sq km)
1 Russia 17,075,400
2 Canada 9,976,140
3 United States 9,629,091
4 China 9,596,960
5 Brazil 8,511,965
6 Australia 7,686,850
7 India 3,287,590
8 Argentina 2,776,890
9 Kazakhstan 2,717,306
10 Sudan 2,505,810
11 Algeria 2,381,740
12 Democratic Republic of the Congo 2,345,410
13 Mexico 1,972,550
14 Saudi Arabia 1,960,582
15 Indonesia 1,919,440
16 Libya 1,756,540
17 Iran 1,648,000
18 Mongolia 1,565,000
19 Peru 1,285,220
20 Chad 1,284,000
Source: CIA World Factbook

2. Smallest Countries in the World
Rank Country Area (sq km)
1 Vatican 0.44
2 Monaco 1.95
3 Nauru 21
4 Tuvalu 26
5 San Marino 61.2
6 Liechtenstein 160
7 Saint Kitts and Nevis 261
8 Maldives 300
9 Malta 316
10 Saint Vincent and the Grenadines 389
11 Barbados 430
12 Antigua and Barbuda 442
13 Seychelles 455
14 Andorra 468
15 Bahrain 620
15 Saint Lucia 620
17 Singapore 647.5
18 Micronesia 702
19 Kiribati 717
20 Tonga 748
Source: CIA World Factbook

3. Most Populated Countries in the World
Rank Country Population
1 China 1,330,044,605
2 India 1,147,995,898
3 United States 303,824,646
4 Indonesia 237,512,355
5 Brazil 191,908,598
6 Pakistan 167,762,040
7 Bangladesh 153,546,901
8 Russia 140,702,094
9 Nigeria 138,283,240
10 Japan 127,288,419
11 Mexico 109,955,400
12 Philippines 92,681,453
13 Vietnam 86,116,559
14 Germany 82,369,548
15 Egypt 81,713,517
16 Ethiopia 78,254,090
17 Turkey 71,892,807
18 Congo, Democratic Republic of the 66,514,506
19 Iran 65,875,223
20 Thailand 65,493,298
...
37 Canada 33,212,696
Source: CIA World Factbook

4. Longest Life Expectancies
Rank Country Life expectancy
at birth(years)
1 Macau 84.36
2 Andorra 82.51
3 Japan 82.12
4 Singapore 81.98
5 San Marino 81.97
6 Hong Kong 81.86
7 Australia 81.63
8 Canada 81.23
9 France 80.98
10 Sweden 80.86
11 Switzerland 80.85
12 Guernsey 80.77
13 Israel 80.73
14 Iceland 80.67
15 Anguilla 80.65
16 Cayman Islands 80.44
17 Bermuda 80.43
18 New Zealand 80.36
19 Italy 80.20
20 Gibraltar 80.19
Source: CIA World Factbook
All data 2009 estimates.

5. Wealthiest Countries in the World
Rank Country GDP ($ US) per capita
1 Liechtenstein $ 118,000
2 Qatar $ 101,000
3 Luxembourg $ 85,100
4 Bermuda $ 69,900
5 Kuwait $ 60,800
6 Norway $ 57,500
7 Jersey $ 57,000
8 Brunei $ 54,100
9 Singapore $ 52,000
10 United States $ 48,000
11 Ireland $ 47,800
12 Hong Kong $ 45,300
13 Guernsey $ 44,600
14 Cayman Islands $ 43,800
15 Iceland $ 42,600
16 Andorra $ 42,500
17 San Marino $ 41,900
18 Netherlands $ 41,300
19 Switzerland $ 40,900
20 United Arab Emirates $ 40,400
21 Canada $ 40,200
Source: CIA World Factbook
N.B. Data pre-dates the global economic meltdown of Fall 2009... of
particular note with reference to Iceland!

6. Poorest Countries in the World
Rank Country GDP ($ US) per capita
210 Guinea $ 1,100
211 Uganda $ 1,100
212 Nepal $ 1,000
213 Tokelau $ 1,000
214 Mozambique $ 900
215 Togo $ 900
216 Rwanda $ 900
217 Afghanistan $ 800
218 Malawi $ 800
219 Ethiopia $ 800
220 Central African Republic $ 700
221 Niger $ 700
222 Sierra Leone $ 700
223 Eritrea $ 700
224 Guinea-Bissau $ 600
225 Somalia $ 600
226 Liberia $ 500
227 Burundi $ 400
228 Congo, Democratic Republic of the $ 300.
229 Zimbabwe $ 200
Source: CIA World Factbook
N.B. Data pre-dates the global economic meltdown of Fall 2009.

7. HIV/AIDS - Adult Prevalence
Rank Country adults infected (%)
1 Swaziland 26.10
2 Botswana 23.90
3 Lesotho 23.20
4 South Africa 18.10
5 Namibia 15.30
6 Zimbabwe 15.30
7 Zambia 15.20
8 Mozambique 12.50
9 Malawi 11.90
10 Kenya 6.70
11 Central African Republic 6.30
12 Tanzania 6.20
13 Gabon 5.90
14 Uganda 5.40
15 Cameroon 5.10
16 Congo, Democratic Republic of the 4.20
17 Cote d'Ivoire 3.90
18 Chad 3.50
19 Congo, Republic of the 3.50
20 Equatorial Guinea 3.40
Source: CIA World Factbook
all data 2007 est.

8. Most Recently Created Countries
Country Independence Date
Republic of Kosovo March 9, 2009
Serbia June 5, 2006
Montenegro June 3, 2006
East Timor May 20, 2002
Palau October 1, 1994
Eritrea May 24, 1993
Czech Republic January 1, 1993
Slovakia January 1, 1993
Yugoslavia April 27, 1992
Bosnia and Herzegovina March 1, 1992
Kazakhstan December 16, 1991
Turkmenistan October 27, 1991
Armenia September 21, 1991
Macedonia, The Former
Yugoslav Republic of Septemer 17, 1991
Tajikistan September 9,1991
Lithuania September 6, 1991
Uzbekistan September 1, 1991
Kyrgyztan August 31, 1991
Moldova August 27, 1991
Belarus August 25, 1991
Russia August 24, 1991
Ukraine August 24, 1991
Latvia August 21, 1991
Estonia August 20, 1991
Croatia June 25, 1991
Slovenia June 25, 1991
Georgia April 9, 1991
Sources: various