--- title: Humanity today: how many we are, how long we live, how poor and how rich — a lesson of Mova's school · trees and pragmatics description: «Humanity today: how many we are, how long we live, how poor and how rich», a lesson of the history course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: If the whole world were a class of 100 children, about 18 would be from India, about 17 from Chin --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [History](https://md.mova.elamur.ai/free/en/corpora/school/history/) / Humanity today: how many we are, how l… # Humanity today: how many we are, how long we live, how poor and how rich Lesson 78 of the history course of Mova's primary school: 15 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/history/78-humanity-today-how-many-how-long-how-rich/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/0/) — If the whole world were a class of 100 children, about 18 would be from India, about 17 from China, about 10 would be very poor, about 8 would not get enough food, and 3 or 4 would live in a country they were not born in; numbers like these turn «the world» into people you could meet. - [1](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/1/) — The UN says we reached 8 billion people in November 2022 and expects the number to peak at about 10.3 billion in the 2080s and then slowly fall, because families almost everywhere are getting smaller. - [2](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/2/) — People live much longer than in 1900, mostly because far fewer babies and small children die, but where you are born still matters a lot: a child in Japan can expect to live about 30 years longer than a child in Chad. - [3](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/3/) — Extreme poverty has fallen from most of humanity around 1820 to about 1 person in 10 today, and both halves of that sentence matter: huge progress, and hundreds of millions still very poor. - [4](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/4/) — Big numbers are always estimates, and in a war, as in Ukraine since 2022, even counting people becomes hard. - [5](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/5/) — The UN says the world reached 8 billion people on 15 November 2022 and expects about 10.3 billion at the peak in the 2080s, after which the number should slowly fall. - [6](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/6/) — India passed China as the country with the most people in 2023, with more than 1.4 billion. - [7](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/7/) — Average life expectancy in the world was about 32 years in 1900 and is about 73 today, mostly because far fewer children die young; many adults in 1900 lived long lives. - [9](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/9/) — About 700 million people in the world still do not get enough food. - [10](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/10/) — In 1950 women had about five children on average; now the world average is about 2.2, because fewer children die and more girls go to school. - [11](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/11/) — About 3 in 10 people in Japan are over 65, while in Niger about half the people are younger than 15; where there are many old people, fewer young workers have to support more people who have stopped working. - [13](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/13/) — People in Japan live into their mid-80s on average, while in Chad and some other poor countries life expectancy is in the 50s. - [14](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/14/) — About 300 million people, roughly 1 in 30, live outside the country where they were born; people have always moved, and migration is also argued about in politics. - [15](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/15/) — Children today are healthier and live longer than in the past, but face new worries like climate change and life online. - [16](https://md.mova.elamur.ai/free/en/corpora/school/history/78-humanity-today-how-many-how-long-how-rich/16/) — Since the full-scale invasion in 2022, war, refugees and fewer births have made Ukraine's population hard to count; estimates differ by millions, and about 6 million Ukrainian refugees abroad were reported. - ← previous: [What was lost and what was gained: languages, foods, music and knowledge](https://md.mova.elamur.ai/free/en/corpora/school/history/77-what-was-lost-and-what-was-gained/) - next →: [Worries and hopes: climate, the UN, space, AI, and is the world getting better?](https://md.mova.elamur.ai/free/en/corpora/school/history/79-worries-and-hopes-is-the-world-getting-better/) - ↑ back to [History](https://md.mova.elamur.ai/free/en/corpora/school/history/)