The keyword implies continuous change. Belgian experts are already planning for 2030:
To understand the state of sexual education for Belgian youth in 1991, one must first acknowledge the lingering influence of the Catholic Church, even in a highly secularized Flemish and Walloon society. Prior to the late 20th century, sex education was largely embedded within “natural sciences” or “moral education,” often delivered in gender-segregated settings. In 1991, no single federal mandate demanded a uniform curriculum; instead, responsibility was diffused among community governments (Flemish, French, and German-speaking). The keyword implies continuous change