For lack of data, economists have systematically performed an analysis in terms of flows and ignored the stocks. Now, in France there are wealth accounts, from 1970 and for every agent of the national accounting. The household wealth, easier to evaluate, may be retropolated and its longrun accumulation is the matter of this article. The first part describes the evolution of wealth components since the 19 th century, and more specially since 1959. After this date, we observe a stable sharing between real and financial assets but, among the various financial assets, the partition is sensitive to reforms of investment instruments and to interest rates. The second part connects the rythm of patrimonial accumulation to economic factors, i.e. re...