Ireland 1840 is a populous country in Europe, with 8 millon people,
3 million more than today
India's population keeps growing but was the smallest in 1980 relative to the
global population.
Japan remains relatively stable until 2000, when it starts to shrink fast.
Australia is almost invisible in 1800 and remains quite small,
even in 2100.
Africa is where the growth is in 21st century, with Nigeria projected to overtake the US
by 2060.
China is the most populous country until around 2020 when India overtakes it.
Yet, it relative size shrinks during this entire timespan.
Most of the great triumphs and tragedies of history are caused not by people being fundamentally good or fundamentally evil, but by people being fundamentally people. -- Terry Pratchett