In 1950 the population o f developed countries is around one quarter o f the world's population.In developing countries, more than one billion people already live b 5 the poverty(贫困)line. These people don't have enough food to eat and they live in poor housing, and children get little...
In 1950, around one quarter of the world's population lived in the developed countries. By 2050, these countries will be home to only around one tenth of the world's people.In the developing countries, more than one billion people have already lived below the poverty line(贫困线). These ...
In short, this means that we'll see a decline in population. Birth rates are falling in several countries. In order for the population to remain reasonably stable, every woman needs to have, on average, just over two children. Thebirth rateis below this in about half the countries and te...
Global population growth peaked in the 1960s and has slowed since then. In 1950, the average birth rate was 5.05 children per woman, according to theUN Population Division. In 2020, it had fallen to 2.44 children per woman. As Gerland explained, "Right now the scientific consensus is that ...
In 1950, around one quarter of the world's population lived in the developed countries. By 2050, these countries will be home to only around one tenth of the world's people.In the developing countries, more than one billion people already lived below the poverty line (贫困线). These ...
These countries are 44in Africa, South Americ a and parts of Asia. But in the developed countries of Europe and NorthAmerica, the population is growing very 45. This is because women in these countrieshave,46, only one or two children. In 1950 the population of developed countries isaround...
Over the last two centuries,the impact of the Human System has grown dramatically,becoming strongly dominant within the Earth System in many diferent ways.Consumption,inequality,and population have increased extremely fast,especially since about 1950,threatening to overwhelm the many critical functions ...
Earth's population will hit EIGHT BILLION next week: Key milestone for humanity人类重要里程碑:世界人口将在下周达到80亿The world's population is set to hit eight billion next week in a key milestone for humanity, according to the United Nations. The UN Population Division said that the ...
英语翻译 In the time it takes you to read this sentence,the population of the earth will have grown by 10 people.That may not sound much,but it is 9000 people an hour,1.5 million a week,and 79 million a year.That is the same as adding most of the population of Germany to the worl...
根据“Today, two-thirds of the world population live in a country or area where lifetime fertility (生育率) is below 2.1 births for each woman. A population with this kind of birth rate and low death rate would not grow or reduce over time.”可知,世界人口的增长率与出生率、死亡率及终生...