The report based on the national 1% population sample survey for 2015 reflects the features of the youth population in Guangzhou，including its growth，distribution，gender and age structures，fertility and mortality，mobility trends and changes in them. It is found that in the past five years，the total population of youth in Guangzhou has decreased with the proportion of the total population declining to the lowest level since 1990. The distribution of youth population in 11 municipal districts is uneven，but the difference is narrowing. The sex ratio of youth population drops significantly to a lower than that of Guangzhou，and the age structure of youth population tends to age. The overall fertility level of the youth population is higher than the general population and shows an upward trend from 2010 to 2015. The effect of the “2-child” fertility policy is obvious；the death rate of the young population is stable at a very low level. The scale of mobile population decreases，but to a deeper degree of the mobility in the youth population；Job and employment is the main reason for the flow of youth，followed by marriage and housing. The report points out some principal problems of youth population and gives advice on them.