Global demographics

ü As of 2012, the global sex ratio is approximately 1.01 males to 1 female – the greater number of men is possibly due to the significant gender imbalances evident in the Indian and Chinese populations.

ü Approximately 26.3% of the global population is aged under 15, while 65.9% is aged 15–64 and 7.9% is aged 65 or over.

ü The global average life expectancy is 67.07 years, with women living an average of 69 years and men approximately 65 years. In 2010, the global fertility rate was estimated at 2.52 children per woman.

ü Around 1.29 billion people (18.4% of the world population) live in extreme poverty,

ü Approximately 925 million people (13.2%) are malnourished.

ü 83% of the world's over-15s are considered literate.

ü The Han Chinese are the world's largest single ethnic group, constituting over 19% of the global population in 2011. The world's most-spoken first languages are Mandarin Chinese (spoken by 12.44% of the world's population), Spanish (4.85%), English (4.83%), Arabic (3.25%) and Hindustani (2.68%).

ü The world's largest religion is Christianity, whose adherents account for 33.35% of the global population; Islam is the second-largest religion, accounting for 22.43%, and Hinduism the third, accounting for 13.78%. In 2005, around 16% of the global population was reported to be non-religious.

Largest populations by country

Country	Population	% of world population
1. China	1,362,810,000	19.1%
2. India	1,240,380,000	17.4%
3. United States	317,541,000	4.44%
4. Indonesia	247,008,052	3.33%
5. Brazil	201,032,714	2.81%
6. Pakistan	185,649,000	2.6%
7. Nigeria	173,615,000	2.43%
8. Bangladesh	149,772,364	2.27%
9. Russia	143,600,000	2.01%
10. Japan	127,300,000	1.78%

Most densely populated countries

Country/region	Population	Area (sq.km)	Density (pop.per 1sq.km.)
1. Singapore	5,399,200
2. Bahrain	1,234.571
3. Bangladesh	149,772,364	147,570
4. Taiwan	23,361,147	36,190
5. Mauritius	1, 257,900	2,040
6. South Korea	50,219,669	99,538
7. Lebanon	4,822,000	10,452
8. Netherlands	16,848,208	41,526
9. Rwanda	10,537,222	26,338
10. Haiti	10,413,211	27,065

Part 3. Regional survey of the world

Lesson 7

Theme 7: The USA

Plan:

1. Geographical location

2. Political system

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Population by region	\|	Geographical location.

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