| Country | Biogas production facilities | Key policies implemented | Reference |
| Germany | 10,431 Biogas plants | 2002 – Prohibiting the landfilling of waste containing more than 5% organic matter | Carlu, Truong [20] |
| United Kingdom | 987 Biogas plants in 2016 | Introduction of landfill tax, $A174.5 per tonne of active waste | |
| Sweden | 279 Biogas plants in 2016 with 47 biomethane plants suppling biomethane in fuel form | Fossil independent transport sector by 2030 | |
| France | 687 Biogas plants in 2016 and 47 Biomethane plant in 2017 | · Specific targets set for biogas and biomethane production: 10% of renewable gas in total energy consumption by 2030 · Regulation and taxation of landfills | |
| United States | 2200 Biogas plants in 2017, of which 70% are anaerobic digestors at wastewater treatment plants, 29% are landfill gas recovery plants and 1% are farm-based anaerobic digestors | · 2016 -Senate Bill 1383 included a 40% reduction in CH4 emissions by 2030. · Reduction of landfilling activities by 50% in 2020 and 75% by 2025 | |
| China | 100,000 Biogas plants and 43 million residential-scale digesters in 2014 | National target of 80 million residential-scale digesters by 2030 | |
| Vietnam | 183,000 Commercial plants | Setting of national diffusion targets | |
| Nepal | 300,000 Domestic biogas units | Setting of national diffusion targets | |
| Australia | 242 Biogas plants, 50% are LFG collection plants in which 50% of the gas was flared and not utilised as an energy source | · Large-Scale Renewable Energy Target, an aim to generate 33,000 GWh of electricity from renewable sources by 2020 · Emission Reduction Fund to incentivise GHG emission reducing practices and technologies · Funding opportunities from the Australian Renewable Energy Agency (ARENA) for renewable energy projects | [29] |