世界の人口はどんどん増えているので、４０年以内に今の倍になってしまうだろう。

Sentence Analyzer

English Translation

The population of the world is increasing so rapidly that it will be doubled within forty years.

Furigana

世界(せかい)の人口(じんこう)はどんどん増(ふ)えているので、４０年(ねん)以内(いない)に今(いま)の倍(ばい)になってしまうだろう。

Romanji

Sekai no jinkō wa dondon fueteiru node, yon zero nen inaini ima no bai ni natteshimau darou.

Words

世界 (せかい)

the world; society; the universe; sphere; circle; world; renowned; world-famous; well-known outside of Japan; realm governed by one Buddha; space

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

人口 (じんこう)

population; common talk

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

どんどん (どんどん)

drumming (noise); rapidly; steadily

増える (ふえる)

to increase; to multiply

ので (ので、んで)

that being the case; because of ...; the reason is ....; given that...

四 (し、よん、よ)

four

○ (まる)

circle (sometimes used for zero); 'correct' (when marking); symbol used as a placeholder (either because a number of other words could be used in that position, or because of censorship); period; full stop; maru mark; semivoiced sound; p-sound

年 (とし)

year; many years; age; past one's prime; old age

今 (いま)

now; the present time; just now; soon; immediately; (one) more

倍 (ばい)

twice; double; times; -fold

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

成る (なる)

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

だ (だ)

be; is; indicates past or completed action; indicates light imperative