The
last
100
years
have
seen
a
massive
____________________
increase
in
the
population
,
due
to
medical
____________________
,
lower
mortality
rates
,
and
an
increase
in
agricultural
____________________
.
The
annual
increase
in
the
number
of
living
humans
peaked
at
88
.
0
million
in
1989
.
In
2017
,
the
human
population
increased
by
83
million
.
____________________
nations
have
seen
a
decline
in
their
growth
rates
in
recent
decades
.
Annual
growth
rates
remain
above
2%
in
____________________
countries
of
the
Middle
East
and
Sub
-
Saharan
Africa
,
and
also
in
South
Asia
,
Southeast
Asia
,
and
Latin
America
.
In
some
countries
the
population
is
____________________
,
especially
in
Eastern
Europe
,
mainly
due
to
low
____________________
rates
and
emigration
.
Some
____________________
Europe
countries
might
also
experience
population
decline
.
Japan's
population
began
decreasing
in
2005
.
The
United
____________________
projects
world
population
to
reach
11
.
2
billion
by
the
end
of
the
____________________
century
.
A
2014
study
in
the
journal
Science
concludes
that
the
global
population
will
reach
11
____________________
by
2100
,
with
a
70%
chance
of
continued
growth
into
the
22nd
century
.
