The estimated number of population in the Republic of Serbia in 2021 was 6 834 326 (the estimations are based on the results of natural changes statistics and population internal migration). Observed by sex, 51.3% were women  (3 507 325) and 48.7% were men (3 327 001). The depopulation trend continued, meaning that population growth rate, compared with the previous year, was negative and amounted to -9,4‰.