The world reached 1 billion, in population, around 1800.
About 1804. Please see the link.
Around 1820.
1960
1999
1927
1975
1999
1804
The world's population reached 4 billion in 1974.
The world population reached 4 billion around 1974.
The world population is projected to reach 10 billion by the year 2055, according to United Nations projections. This estimate is subject to change based on various factors such as birth rates, mortality rates, and advancements in healthcare.
The world population reached 3 billion in the year 1960.
About 6.2 billion people. We reached 6 billion people in October, 1999. We should reach 7 billion in about July, 2012.
It took until the early 19th century for the global population to reach one billion. This milestone was reached around the year 1804.
The world population in the year 1910 was approximately 1.75 billion people.
According to the projections of the U.S. Census Bureau, the world's population will surpass 7 billion in 2012.In late 2012 the world population is expected to reach 7 billionit hasn't reached 7 billion yet it is predicted that the world population will reach 7 billion in Oct. 31, 2011
he world population reached 1 billion for the first time in 1804.
2050
The estimated population of the world in 1909 was around 1.7 billion people.
The estimated population of the world in 1743 was 625 million inhabitants. By the year 1843, the population had increased to 1.18 billion people.