The main purpose of this study is to examine the extent of the objectives, gains, learning areas, skills and values related to multiculturalism in the Social Studies Curricula in 2005-2018. The study was conducted in the form of qualitative research. Basic qualitative research that is one of the qualitative researches was chosen in the study. The study group of the research consisted of 2005-2018 Social Studies Curricula and 13 Social Studies teachers. Document analysis technique and semi-structured interview technique were used as data collection tools in the study. The descriptive analysis method was used for the analysis of the data obtained from the document analysis, and the content analysis method was used for the analysis of the data obtained from the semi-structured interviews. Some of the results obtained from the study are as follows: When the objectives related to multiculturalism included in the 2005-2018 Social Studies Curricula were examined, it was concluded that the objectives related to multiculturalism were included more in the 2018 curriculum. Both curricula were seen to have mainly focused on multiculturalism in the learning areas of "Individual and Society, Culture and Heritage, Global Connections." In the 2005 curriculum, the gains related to multiculturalism were included in the 6th grade the most and in the 4th grade the least. In the 2018 curriculum, on the other hand, the gains related to multiculturalism were included in the 5th grade the most and in the 4th grade the least. While 53.3% (8) of the skills in the 2005 program were related to multiculturalism, 37.03% (10) of the skills in the 2018 program were related to multiculturalism. While 55% (11) of the values were related to multiculturalism in the 2005 program, 55.5% (10) were related to multiculturalism in the 2018 program. Additionally, teachers' opinions on the subject were presented in the content of the study.