In this study, the 21st-century skills teaching levels of teacher candidates were assessed based on factors such as gender, age, department of study, daily internet usage, the reason for use, family income, residence, and whether or not they had previously heard of 21st-century skills. The research data was gathered using the ten-item 21st Century Skills Teaching Scale, which falls into the following categories: problem-solving, teamwork, innovation, and the benefits of technology Özyurt (2020). Frequency, percentage, t-test for independent groups, Mann Whitney U test, One-Way Analysis of Variance (ANOVA), and Kruskal Wallis H test were used to analyze the study's data. The study's findings showed that Turkish and Turkish Language and Literature teacher candidates' 21st-century skills teaching levels were at the level of slightly proficient in all areas, including problem-solving, teamwork, innovation, and technology use. It has been found that there are differences in the 21st-century skills teaching levels of teacher candidates based on their gender, department of study, residence, and prior understanding of these skills. They also differ based on whether or not they have taken courses on these topics throughout their undergraduate education. It was determined that there was no difference in the 21st-century skills teaching levels of teacher candidates based on factors such as family economic status, age, daily internet usage, and purpose.