Bangladesh’s multiparty democracy is being methodically strangled in crowded courtrooms across this country of 170 million people.

Nearly every day, thousands of leaders, members and supporters of opposition parties stand before a judge. Charges are usually vague, and evidence is shoddy, at best. But just months before a pivotal election pitting them against the ruling Awami League, the immobilizing effect is clear.

About half of the five million members of the main opposition party, the Bangladesh Nationalist Party, are embroiled in politically motivated court cases, the group estimates. The most active leaders and organizers face dozens, even hundreds, of cases. Lives that would be defined by raucous rallies or late-night strategizing are instead dominated by lawyers’ chambers, courtroom cages and, in Dhaka, the torturously snail-paced traffic between the two.