great war; great battle; world war
monetary system; currency system
advanced (developed) country; advanced nations
decreasing birthrate and aging population; aging population combined with the diminishing number of children; declining birthrate and a growing proportion of elderly people; dwindling birthrate and an aging population; low birthrate and longevity
emerging market; emerging nation; emergent nation; developing country; developing nation
increase in population; population growth
the whole area; all areas
increase in speed, acceleration
flat; level; flat (e.g. in 10 seconds flat); exactly; flat; flat
social unrest; public anxiety
to teach; to take a teaching job
top; top position; senior management; senior bureaucrat
to rank next to; to come after
number; number plate; license plate
pride; self-confidence; thinking highly of oneself; being proud of one's abilities or achievements
social standing of a family; lineage; parentage; good family
to be aware of; to know; to notice; to feel; to understand; to comprehend; to remember
one's seniors and juniors; seniority-based hierarchy
drying up; running dry; running out; being exhausted; being drained
last century; ancient times
to a greater or lesser extent (degree); more or less
equality; impartiality; evenness
reflection (light, image, situation, attitude, etc.); reflecting; influence; application (e.g. of an update)
cold; coldness; chilliness
to inherit; to succeed; to take over
adaptation; accommodation; conformity
single; simple; singles (tennis, badminton, etc.); win bet (bet which predicts the winner of a race)
another; different; separate; discrete
meme (idea, etc. spreading from person to person within a culture); (Internet) meme