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The 2023 edition of the Population Reference Bureau’s (PRB) World Population Data Sheet examines the role of population data in helping countries prepare for and adapt to climate change. it is”[b]By examining the link between population vulnerability and risk of exposure to climate shocks, decision makers can allocate resources to areas of greatest need and prepare essential systems to effectively respond to climate change. can do. ”
The report states that “demographic characteristics such as age, gender, and socio-economic status are among the factors that make some people more vulnerable to the harmful effects of climate change” and that these characteristics It emphasizes that countries can improve the resilience of their populations and adapt to climate change by understanding the The effects of climate change, including higher temperatures, more frequent flooding, disrupted food production, and damaged infrastructure.
Indicators specific to this year’s edition include the predicted number of deaths per 100,000 people due to temperature change (annual average from 2040 to 2059), the number of internally displaced persons (IDPs) due to disasters, the proportion of the urban population living in slum households, and the percentage of the urban population living in slum households. Percentage of the population living with moderate and severe food insecurity.
According to the 2023 data sheet, the number of internally displaced people due to disasters is estimated to be 8.7 million at the end of 2022. This number is more than 1 million in Pakistan, 854,000 in Nigeria and 283,000 in the Democratic Republic of Congo (DRC). Globally, 69% of people living in low-income countries (LICs) are affected by moderate to severe food insecurity. In Sierra Leone, the rate is 89%, in Afghanistan 79%, in Benin 74% and in Yemen 67%. The report says the projected average change in annual mortality per 100,000 people from 2040 to 2059 due to climate change impacts on daily temperatures will vary widely across countries. Niger has 53, Pakistan 42, Burkina Faso 44 and Australia 19.
One of the key findings of the 2023 Data Sheet is that the world’s population, currently over 8 billion, is projected to reach nearly 9.8 billion by 2050. Eastern Europe’s population is expected to decline by 10% by 2050. Africa’s contribution to global population growth between now and 2050 is estimated to be nearly 60%. Key country-specific findings include:
- The population of the Russian Federation, currently around 147 million, is expected to decline to 133 million by 2050.
- Niger’s population is projected to grow from its current 27 million to 67 million by 2050, an increase of 146%.
- DRC’s population is likely to more than double by 2050, from more than 102 million today to more than 217 million.
- China’s current population of 1.4 billion is expected to decline to 1.3 billion by 2050. China was the world’s most populous country until 2023, when India’s population exceeded that of mainland China.
Regarding the age structure of the population, the report shows that 10% of the world’s population is over 65 years old and 25% is under 15 years old. The world’s youngest region is sub-Saharan Africa, where 40% of the population is under 15 years old. Western Europe and Southern Europe are the oldest regions in the world, with 21% of their respective populations over the age of 65.
According to the data sheet, the global total fertility rate is 2.2, with wide regional variations, and 1 percentage point lower than in 2022. For example, in Central Africa the ratio is 5.6, while in East Asia it is only 1.1. The total fertility rate by country is 6.7 in Niger, 3.7 in Yemen, 3.4 in Kenya, 3.0 in East Timor, 2.2 in Venezuela, 2.0 in India, 1.7 in the United States, 1.5 in Germany, and 1.3 in Japan.
PRB (Population Reference Bureau) – a non-profit organization that tracks population indicators for more than 200 countries and territories – publishes the World Population Sheet every year. The 2023 edition was published on December 18th. [Publication: World Population Data Sheet 2023] [World Population Data Sheet 2023 Poster] [PRB Press Release] [SDG Knowledge Hub Stories About the World Data Population Sheet in 2022, 2021, 2020, 2019, 2018, and 2017]
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