The interim report by the OSCE's election observation mission, which covers the period from October 2-19, says that Tajikistan's state-controlled media outlets extensively covered Rahmon's trip to two regions and that posters bearing his portrait can be seen all around the country.
However, the report says the campaign materials of the election's other five candidates were not visible anywhere.
The observation mission also said on October 29 that the OSCE's recommendations issued after the previous presidential election in 2006 have yet to be fulfilled.
Earlier this month, Human Rights Watch (HRW) criticized Tajik authorities for creating obstacles that prevented the united Tajik opposition's presidential candidate, Oinihol Bobonazarova, from successfully registering.
The election is scheduled for November 6.