An estimate or forecast of future events or figures based on data or experience. Used as a noun and with する as a verb.
天気予測によると、明日は雨が降るらしい。
According to the weather forecast, it seems it will rain tomorrow.
専門家は来年度の経済成長率を予測している。
Experts are forecasting next year's economic growth rate.
交通量の予測をもとに、バスの本数を増やした。
Based on estimates of traffic volume, they increased the number of buses.