decreasing birthrate and aging population;  aging population combined with the diminishing number of children;  declining birthrate and a growing proportion of elderly people;  dwindling birthrate and an aging population;  low birthrate and longevity
 indicates possessive;  nominalizes verbs and adjectives;  substitutes for "ga" in subordinate phrases;  (at sentence-end, falling tone) indicates a confident conclusion;  (at sentence-end) indicates emotional emphasis;  (at sentence-end, rising tone) indicates question
 present age;  present day;  today;  modern era;  modern times
 many;  much;  majority (of);  greater part (of);  mostly;  mainly
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 malicious;  vicious;  malignant;  shoddy;  inferior;  poor-quality
 fraud;  swindle;  graft;  saying you're going to do something but in the end not doing it;  making promises without keeping them
 event;  affair;  incident;  case;  plot;  trouble
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 to do;  to carry out;  to cause to become;  to make (into);  to serve as;  to act as;  to wear (clothes, a facial expression, etc.)
 but;  however;  (and) yet;  nevertheless;  still;  for all that
 rapid economic growth (esp. that of Japan in the post-WWII period)
 period;  epoch;  the times;  those days;  oldness;  ancientness
 splendid;  magnificent;  utter (esp. defeat);  total; (arch.)  something worth seeing; (arch.)  sight
 technical prowess;  technical ability;  technical finesse;  technological prowess;  technological capabilities
 if;  when;  and;  with;  used for quoting (thoughts, speech, etc.);  promoted pawn;  indicates a question
 sincere;  honest;  faithful
 -ness;  indicates assertion;  come;  come now
 at;  in;  at;  when;  by;  with;  and then
 abundant;  plentiful;  rich;  wealthy;  open (mind);  relaxed
 contribution (furthering a goal or cause);  services (to a cause)
 indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 certain;  unmistaken;  evident;  obvious;  beyond doubt
 be;  is;  did;  (have) done;  please;  do
 such;  that sort of;  that kind of;  no way!;  never!
 boorish;  unrefined;  rustic;  uncouth;  clumsy;  brusque
 huge sum (esp. of money);  enormous sum;  massive amount
 to fight against;  to oppose;  to face
 good;  advantage;  sake;  purpose;  consequence;  result
 one person;  being alone;  being by oneself;  being single;  being unmarried;  by oneself
 little girl;  maiden;  young lady; (arch.)  female between 17 and 20 years old (ritsuryo period)
 to join hands together;  to join forces;  to collaborate
 person;  someone;  human beings;  mankind;  human (Homo sapiens);  (other) people;  others
 this;  last (couple of years, etc.);  these;  you (as in "you liar")
 indicates direct object of action;  indicates subject of causative expression;  indicates an area traversed;  indicates time (period) over which action takes place;  indicates point of departure or separation of action;  indicates object of desire, like, hate, etc.
 in that way;  thus;  so;  so?
 to call out (to);  to call;  to summon (a doctor, etc.);  to invite;  to designate;  to name;  to garner (support, etc.)
 to be seen;  to be in sight;  to look;  to seem;  to come
 yes;  that is correct;  understood;  I see;  present;  here;  pardon?
 just (e.g. "just wait here");  come now;  tolerably;  passably;  well...;  I think...