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The People's Republic of China has an area of about 9,600,000 km 2 (3,700,000 sq mi). The exact land area is sometimes challenged by border disputes, most notably about Taiwan, Aksai Chin, the Trans-Karakoram Tract, and South Tibet. The area of the People's Republic of China is 9,596,960 km 2 (3,705,410 sq mi) according to the CIA's The World ...
Dot distribution map. A bivariate dot density map showing the relative concentrations of the Black and Hispanic populations in the United States in 2010. A dot distribution map (or a dot density map or simply a dot map) is a type of thematic map that uses a point symbol to visualize the geographic distribution of a large number of related ...
A very innovative thematic map from the 19th century. Isarithmic map of minimum temperature used as plant hardiness zones. A thematic map is a type of map that portrays the geographic pattern of a particular subject matter (theme) in a geographic area. This usually involves the use of map symbols to visualize selected properties of geographic ...
Heihe–Tengchong Line dividing Mainland China into eastern (area in red) and western (area in yellow) halves Population density in the year 2000. The Heihe–Tengchong Line (simplified Chinese: 黑河–腾冲线; traditional Chinese: 黑河–騰衝線; pinyin: Hēihé–Téngchōng xiàn), also called the Aihui-Tengchong Line (and internationally as the Hu line), is an imaginary line that ...
Demographics of China. China is the second most-populous country in the world and Asia with a population exceeding 1.4 billion. It ranks behind India in both these statistics. Historically, China has always been one of the nation-states with the most population. China has an enormous population with a relatively small youth component, partially ...
This is a list of countries (or regions) by total road network size, both paved and unpaved. Also included is additional data on the length of each country or region's controlled-access highway network (also known as a motorway, expressway, freeway, etc.), designed for high vehicular traffic. Unless otherwise noted, the data is from the United ...
Thus China and India together contribute almost half of world's passenger travel. The average Swiss person travels 2,430 km by train each year (the highest in the world), almost 500 more than the average Japanese person (the second highest). In 2014, there were about 1 million kilometres (621,400 miles) of railway in the world, a decrease of 3% ...
Multivariate thematic maps found a resurgence starting in the middle of the 20th Century, coinciding with the scientific turn in geography. George F. Jenks introduced the bivariate dot density map in 1953. [6] The first modern bivariate choropleth maps were published by the U.S. Census Bureau in the 1970s. [7]