We each are uniquely one-in-eight-billion sa国际传媒� at least, thatsa国际传媒檚 according to the United Nations, who has projected that the worldsa国际传媒檚 population will surpass eight billion people on Tuesday (Nov. 15).

Dubbed a sa国际传媒渕ilestone in human development,sa国际传媒� the United Nations is also calling for collective action to protect people and the planet.

While it took the global population 12 years to grow from seven to eight billion, it will take approximately 15 yearssa国际传媒攗ntil 2037sa国际传媒� for it to reach nine billion, a sign that the overall growth rate of the global population is slowing in more developed nations.

sa国际传媒淭he growth of the worldsa国际传媒檚 population has become increasingly concentrated among the worldsa国际传媒檚 poorest countries, exacerbating already entrenched inequalities,sa国际传媒� a statement from the UN reads.

sa国际传媒淏etween now and 2050, almost all of the global increase in numbers of children and youth and of adults under age 65 will occur in low-income and lower-middle-income countries.sa国际传媒�

The world population is expected to reach 8 billion people Tuesday. And while a 'milestone in human development,' is projecting largest population spikes in lower-and-middle-income countries (2nd slide), exacerbating already entrenched inequalities.

sa国际传媒� Ashley Wadhwani-Smith (WAHD-WAH-NEE) (@ashwadhwani)

In countries with the highest consumption and emissions rates, such as China, United States and Russia, population is slowing and even decreasing.

Meanwhile, sub-Saharan Africa is facing growth of two-to-three pre cent per year. In Madagascar, nearly 80 per cent of people are living below the international poverty line, according to a United Nations police brief.

An estimated 821 million people are undernourished sa国际传媒� many low-income with women and children particularly vulnerable.

sa国际传媒淲ealthy countries and the international community should support sustainable development in low-income and lower-middle-income countries by providing the necessary technical and financial assistance so that their economies can grow rapidly using technologies that minimise environmental harms,sa国际传媒� the brief continued.

The United Nations is renewing its call to meet objectives in the Paris Agreement, which was adopted in 2015 to address climate change called for global temperatures to rise a maximum of 2 C by the end of the century compared to pre-industrial times, and as close as possible to 1.5 C.

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