Despite the fact that in many societies ethnicity plays an important role in stratification processes, a common view held by students of stratification argues that the role of ascriptive criteria in stratification processes is diminishing, and that the main axis of the modern stratification system is rooted in the division of labor in the marketplace. Despite this, most Israeli sociologists have taken the ethnic and national cleavages to be the main axes of stratification in Israel. This paper utilizes the 1974 and 1991 mobility surveys in Israel to examine changes over time in the association between ethnicity/nationality and class position in the Israeli stratification structure. It also examines the extent to which inequality of opportunity within the Israel class structure is affected by ethnicity/nationality. Here it is found that the ethnic/national cleavage in Israel appears to have played a less important role over time in the allocation of Israeli men to class positions.