The incidence of the disease varies according to geographic, demographic and, to a lesser extent, hereditary factors. There are some known risk factors, however the significance of other potential risk factors remains more controversial. The incidence of the cancer has been increasing in frequency worldwide at a rate of approximately 2–3% per decade until the last few years where the number of new cases has stabilised. The incidence of<unk>  varies between sexes, ages, races and geographic location around the world. Men have a higher incidence than women (approximately 1.6:1) and the vast majority are diagnosed after 65 years of age. Asians reportedly have a significantly lower incidence of<unk>  than whites and while African countries have the lowest reported incidences, African Americans have the highest incidence of the population in the United States. Developed countries have a higher incidence than developing countries, with the highest rates found in North America, Europe and Australia / New Zealand
Renal cell carcinoma
Renal medullary carcinoma
Renal oncocytoma
Papillary renal cell carcinoma
Renal anaplastic sarcoma
Renal medullary fibroma
Clear cell renal cell carcinoma
Clear cell papillary renal cell carcinoma