Denshi Jisho — Online Japanese dictionary

Found 3 sentences.

今年売り上げ倍増見込んでいます Sales should double this year.
2020まで人口倍増しているだろう By the year 2020, the population of this city will have doubled.
紀元2020まで人口倍増しているだろう By the year 2020, the population of our city will have doubled.