The document discusses three main options for organ donation systems: opt-in (explicit consent), opt-out (presumed consent), and mandated choice. Opt-in has the lowest donation rates around 10-15% due to lack of incentivization. Opt-out has the highest rates over 90% and is used by most countries by assuming consent unless individuals opt-out. Mandated choice requires individuals to make a choice at events like getting a driver's license, which can achieve high donation rates similar to opt-out. The document provides advantages and disadvantages of each system as well as addressing common myths around donation.