These figures rated 177 countries that had either a population of 1,000,000 or a Gross Domestic Product of US$1 billion. (From The Economist Pocket World in Figures, 2004 edition.)

Largest countries in size
World ranking: 21
1,267,000 km2

Fastest growing populations - 2000-05 (average annual growth, percent)
World ranking: 6
3.62%

Fastest growing populations - 2045-50 (average annual growth, percent)
World ranking: 1
2.40%

Highest fertility rates - (average no. of children per woman, 2000-05)
World ranking: 1
8.00

Fertility rates - (average no. of children per woman, 2020-25)
World ranking: 1
6 .49

Crude birth rates - (average no. of live births per 1,000 population 2000-05)
World ranking: 2
55.2

Teenage birth rates - (average no. of births per 1,000 women aged 15-19, 2000-05
World ranking: 1
233

Lowest median age -Years, 2000
World ranking: 1
15.1

Lowest median age - Years, 2050
World ranking: 1
20.0

Highest population aged 0-14, - percent, 2000
World ranking: 2
49.8

Highest population aged 0-14, - percent, 2050
World ranking: 1
38.9

Fastest growing cities (over 750,000);- average annual growth, 2000-05, percent
World ranking: 6
Niamey, 5.7%

Lowest quality of life index (based on 39 factors; New York City=100) 2002
World ranking: 11
Kinshasa, Congo 40.0
Bamako, Mali 40.0
Niamey, Niger 40.0
Antananrivo, Madagascar 40.0

Lowest urban population - percent of population living in urban areas, 2001
World ranking: 14
22.11%

Lowest GDP per head in US$
World ranking: 8
Niger 170

Lowest purchasing power ratio (GDP per head in US$) USA=100
World ranking: 14
Niger 2.6

Lowest Economic Growth - 1981-91
World ranking: 17
0.1%

Largest deficits as percent of GDP
World ranking: 37
6.6%

Highest foreign debt as percent of exports of goods and services
World ranking: 18
540%

Highest foreign debt burden, foreign debt as percent of GDP
World ranking: 39
82%

Largest recipients of bilateral and multilateral aid (millions of US$)
World ranking: 60
249

Most economically dependent on agriculture percent of GDP agriculture
World ranking: 13
40%

Lowest car ownership, number of cars per 1,000 people, 2001 or latest
World ranking: 23
3.8

Lowest primary enrollment, number enrolled as percent of relevant age group, 2000 or latest
World ranking: 2
32%

Least literate; percent adult literacy rate, 2000 or latest available
World ranking: 1
16%

Lowest life expectancy, years 2000-05
World ranking: 24
46.2

Highest death rates, number of deaths per 1,000 population, 2000-05
World ranking: 19
19.1

Highest infant mortality, number of deaths per 1,000 live births, 2000-05
World ranking: 5
125.7

Measles immunization, lowest percent of children under 12 months
World ranking: 16
51%

DPT immunization, lowest percent of children under 12 months
World ranking: 4
31%

Lowest health spending, as percent of GDP
World ranking: 14
2.6%

Biggest Households (population per dwelling)
World ranking: 16
5.9

Lowest Environmental Sustainability Index (based on 20 key indicators)
World ranking: 20
39.4

Worst Water poverty Index (based on 5 measures)
World ranking: 2
35.2

Forests: Lowest percent of land area, 2002
World ranking: 12
1.0%

Annual rate of deforestation percent 1990-2000
World ranking: 5
3.7%