Fallen Leaves centers on a heterosexual romance and the struggles of two working-class individuals. The film's narrative does not include any identifiable LGBTQ+ characters or themes, nor does it explore LGBTQ+ issues. Its focus remains solely on the relationship between Ansa and Holappa.

Fallen Leaves does not portray any transsexual characters or address the transsexual community within its narrative. The film's thematic concerns are centered on cisgender protagonists and broader social issues such as class, labor, and human connection, with no representation of gender identity or trans experiences.

The movie does not contain any action or adventure elements.

The film is an original work by Aki Kaurismäki and does not adapt characters from any prior source material or historical record. Consequently, no characters have a pre-established canonical gender that could be subject to a gender swap.

The film "Fallen Leaves" is an original work, not an adaptation of existing material. All major characters are new creations for this film, meaning there are no pre-established canonical or historical racial identities to compare against for a race swap.