Here's an updated list with the meanings of planets in Political Astrology, a branch of Mundane Astrology. Now these are the meanings that I tend to use; no doubt others could add more or subtract a few:
Sun: supreme authority such as US President ('POTUS'), Prime Minister, Chancellor, CEO, leadership. (Solar eclipses hitting a Mundane Sun may denote the death or displacement of a head of state, national character and identity, major events, disruption or a turning point for government in the eclipse year and suggesting a new direction.)
Moon: the populace, We The People (USA), the popular mood, national security needs, basic necessities, women's issues, health, agriculture, nurturing, our daily rounds, the general emotional weather and/or societal trends.
Mercury: news media and the press, blogs and bloggers, oration-speeches/speakers-writers, messages, communications, and announcements, spreading of propaganda, negotiations, contracts, treaties and pacts, changes, votes-voters-ballots, literature, information, intell, spies, all schooling up to higher educational levels (Jupiter), the post office, thinking and planning, opinion polls, transportation (air+), sales, commerce, trade. As usual, young people in general, students and teachers are included where applicable, plus, medical research and doctors may also be represented by Mercury.
Venus: females, evaluations, smaller amounts of money, currency, relationships, partnerships, unions, diplomacy or diplomatic gestures, perspective; if afflicted: disease, arrogance, vengeance, defeat in war, anger, envy, possessiveness, and/or jealousy.
Mars: males between ages 25--35 or so, military and police forces, violence, criminals, war, industrial concerns, arsonists, sports figures, fighters, aggressors and combatants no matter the gender; combined with Uranus, Mars may cause explosions, terrorism, attacks, gun violence, operations; with Neptune, treachery, misguided motivations and/or actions, divisive elements in society, activists, protests or strikes (participants thereof), the fog of war, infections and epidemics.
Jupiter: clergy, churches, and religion, gurus, lawyers and judges, law and legal systems, higher education, prosperity, hope, breaking of boundaries, publishing, banking-bankers and the Fed, insurance; credit, corporations and CEOs, the upper classes; ministers of state, public relations and promoters, philanthropic institutions, especially if associated with Neptune, plus, Jupiter and Neptune = speculators, wastrels, spendthrifts, inflation, bubbles, grandiose schemers and planners, people who make promises they can't keep (ex: politicians).
Saturn: government, the system, The Establish, status quo, stability, institutions and bureaucracy, civil servants, conservatism, infrastructure, austerity, restriction or retraction, law and lawmakers (ex: US Congress), management, control, repression/suppression, accountability, loss, karma; with Jupiter, Saturn is associated with financial and business cycles (contraction vs expansion) and other cycles in society including in Politics; with Uranus, Saturn signifies the Middle East, especially Palestine and Israel; and/or old order vs new order; with Neptune Saturn = poor, sick, or depressed people, illness or disease, movements such as Socialism, social safety net programs, charities, those who suffer, undermining circumstances, difficulties or illness with causes difficult to diagnose.
Uranus: revolution, revolt, riots, protests, or strikes,reactive politics and politicians, progressive or radical movements, disruptive reforms, riots, counter-cultures; physical power such as electrical and nuclear, new technology, innovation; genius or sudden insight; the future; novelties; erratic persons; Uranus is also The Witness, The Awakener, the sky god; with Neptune: The 'Enlightened Ones' determined to establish a New Order to replace the Old, aka, a 'new world order' or the long-planned 'one world government'.
Neptune: the urge to merge, the Divine Source, the arts, glamour, the media, the masses, hope, idealism, covert actions, saboteurs, secrets, spying or other networks, secrets and leaks, socialism; hospitals, charitable institutions; the Navy or Marines. If afflicted: fraud, crime, scandal, deception, illusions, falsehoods, internet scams; undermining circumstances and those who cause them, brewing and alcohol, drugs; chemicals, oil, gas, water, footwear, oceans; with Pluto, Neptune = the Robber Baron class of the 1800s, resource plunderers, Organized Crime, mobsterism, the mafia.
Pluto: financial and/or political power, factions, oligarchies, Plutocracy, big business, nuclear energy, mines and tunnels, the Dragon Guarding the Riches; if afflicted: the criminal underworld, death, catastrophe, dictators, thieves and spies; Global Crime Syndicate/s; criminal detectives, spies, surveillance, hidden power/s behind 'the throne', The Pope, assassins, saboteurs, secretive men in invisible cloaks of power, death, transformation, regeneration, the occult and other hidden things and people.
Note that besides Saturn, Uranus, Neptune, and Pluto can be karmic, too!
Got more political potentials to add to this list? Then leave your on-topic comment with this post! jc